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Radiant|Lab Grown|IGI

1.51ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG739503304

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG739503304

Diamond specifications and retailer prices

From HK$2,165 HKD
$276 USD
As of October 30, 2026
Save HK$20,154 HKD (90%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: HK$22,319 HKD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.51ct lab-grown radiant diamond

This 1.51ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG739503304 or 739503304. Listed at 28 retailers as of October 27, 2026, with prices from HK$2,165 to HK$22,319, a HK$20,154 spread on the same certified stone. Queensmith lists it at HK$22,319. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739503304
Dimensions8.40 × 5.84 × 3.77 mm
L/W Ratio1.44
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.40 mm5.84 mm1.51 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739503304
Side View
Table 63.0%Crown 36.3°Girdle: MediumPavilion 35.3°Culet: NoneDepth 64.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$11,867 HKD|Low: HK$2,165 HKD|High: HK$25,577 HKD|Avg: HK$8,577 HKD|-9.6%
Retailer 1
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Retailer 25
November 1, 2026
Retailer 5HK$2,165 HKD
Retailer 14HK$2,416 HKD
Retailer 25HK$2,511 HKD
Retailer 8HK$2,683 HKD
Retailer 15HK$2,683 HKD
Retailer 12HK$3,132 HKD
Retailer 17HK$3,816 HKD
Retailer 20HK$3,915 HKD
Retailer 24HK$3,923 HKD
Retailer 7HK$4,731 HKD
Retailer 23HK$5,089 HKD
Retailer 19HK$5,263 HKD
Retailer 3HK$6,159 HKD
Retailer 22HK$6,905 HKD
Retailer 9HK$8,246 HKD
Retailer 6HK$9,517 HKD
Retailer 13HK$10,317 HKD
Retailer 18HK$10,806 HKD
Retailer 16HK$11,083 HKD
Retailer 11HK$11,238 HKD
Retailer 4HK$11,479 HKD
Retailer 1HK$11,867 HKD
Retailer 10HK$19,222 HKD
Retailer 2HK$19,261 HKD
Retailer 21HK$22,203 HKD

33 data points across 25 retailers

28 retailersHK$2,165 HKD to HK$22,319 HKD

A
Cheapest Retailer
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HK$2,165 HKD
$276 USD
A
Retailer 2
-
HK$2,416 HKD
$308 USD
View
Final sale: no returns
A
Retailer 3
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HK$2,511 HKD
$320 USD
View
Retailer 4
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HK$2,683 HKD
$342 USD
View
Price last confirmed 7 days ago
A
Retailer 5
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HK$2,683 HKD
$342 USD
View
A
Retailer 6
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HK$3,132 HKD
£314 GBP
View
A
Retailer 7
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HK$3,816 HKD
View
A
Retailer 8
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HK$3,915 HKD
$499 USD
View
A
Retailer 9
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HK$3,923 HKD
$500 USD
View
A
Retailer 10
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HK$4,731 HKD
$603 USD
View
A
Retailer 11
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HK$5,089 HKD
ZAR 10,478 ZAR
View
A
Retailer 12
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HK$5,263 HKD
£528 GBP
View
A
Retailer 13
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HK$6,159 HKD
$785 USD
View
A
Retailer 14
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HK$6,905 HKD
A$1,354 AUD
View
B+
Retailer 15
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HK$8,246 HKD
$1,051 USD
View
B+
Retailer 16
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HK$9,517 HKD
$1,213 USD
View
B+
Retailer 17
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HK$10,042 HKD
$1,280 USD
View
B+
Retailer 18
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HK$10,317 HKD
$1,315 USD
View
B+
Retailer 19
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HK$10,806 HKD
$1,377 USD
View
B+
Retailer 20
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HK$11,083 HKD
SGD 1,909 SGD
View
B+
Retailer 21
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HK$11,238 HKD
$1,432 USD
View
B+
Retailer 22
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HK$11,479 HKD
£1,152 GBP
View
B+
Retailer 23
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HK$11,867 HKD
£1,191 GBP
View
B
Retailer 24
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HK$19,222 HKD
$2,450 USD
View
B
Retailer 25
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HK$19,261 HKD
$2,455 USD
View
Retailer 26
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HK$19,425 HKD
$2,476 USD
View
Price last confirmed 104 days ago
B
Retailer 27
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HK$22,203 HKD
$2,830 USD
View
Most Expensive
B
Queensmith
LG739503304 · Oct 27
HK$22,319 HKD
£2,240 GBP
View
27 more retailers have this diamond
Prices start from HK$2,165 HKDSave up to HK$20,154 HKD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.51ct Radiant
HK$2,165 HKD