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Radiant|Lab Grown|IGI

3.11ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG737568554

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

Certificate IGI LG737568554

Diamond specifications and retailer prices

From HK$9,807 HKD
$1,250 USD
As of October 30, 2026
Save HK$60,859 HKD (86%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: HK$70,666 HKD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 3.11ct lab-grown radiant diamond

This 3.11ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG737568554 or 737568554. Listed at 28 retailers as of October 30, 2026, with prices from HK$9,807 to HK$70,666, a HK$60,859 spread on the same certified stone. Blue Nile lists it at HK$70,666. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.11
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.2°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG737568554
Dimensions10.36 × 7.37 × 4.79 mm
L/W Ratio1.41
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
10.36 mm7.37 mm3.11 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG737568554
Side View
Table 63.0%Crown 40.2°Girdle: MediumPavilion 34.1°Culet: NoneDepth 65.0%

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$70,666 HKD|Low: HK$9,807 HKD|High: HK$70,729 HKD|Avg: HK$23,702 HKD|-0.1%
Blue Nile
Retailer 2
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Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
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Retailer 23
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Retailer 25
November 1, 2026
Retailer 8HK$9,807 HKD
Retailer 2HK$10,670 HKD
Retailer 24HK$10,984 HKD
Retailer 16HK$11,376 HKD
Retailer 25HK$13,063 HKD
Retailer 5HK$13,236 HKD
Retailer 10HK$13,859 HKD
Retailer 20HK$16,030 HKD
Retailer 19HK$17,104 HKD
Retailer 23HK$18,198 HKD
Retailer 4HK$21,207 HKD
Retailer 21HK$21,332 HKD
Retailer 3HK$24,000 HKD
Retailer 22HK$25,697 HKD
Retailer 17HK$26,423 HKD
Retailer 15HK$27,501 HKD
Retailer 6HK$32,654 HKD
Retailer 9HK$35,660 HKD
Retailer 13HK$36,558 HKD
Retailer 14HK$39,915 HKD
Retailer 12HK$40,020 HKD
Retailer 11HK$43,442 HKD
Retailer 18HK$44,838 HKD
Retailer 7HK$63,864 HKD
Blue NileHK$70,666 HKD

28 data points across 25 retailers

28 retailersHK$9,807 HKD to HK$70,666 HKD

A
Cheapest Retailer
-
HK$9,807 HKD
$1,250 USD
A
Retailer 2
-
HK$10,670 HKD
$1,360 USD
View
A
Retailer 3
-
HK$10,984 HKD
$1,400 USD
View
Final sale: no returns
A
Retailer 4
-
HK$11,376 HKD
$1,450 USD
View
A
Retailer 5
-
HK$13,063 HKD
$1,665 USD
View
A
Retailer 6
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HK$13,236 HKD
$1,687 USD
View
A
Retailer 7
-
HK$13,859 HKD
View
A
Retailer 8
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HK$16,030 HKD
£1,609 GBP
View
A
Retailer 9
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HK$17,104 HKD
$2,180 USD
View
Retailer 10
-
HK$18,002 HKD
£1,807 GBP
View
Price last confirmed 17 days ago
A
Retailer 11
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HK$18,198 HKD
€2,209 EUR
View
A
Retailer 12
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HK$21,207 HKD
$2,703 USD
View
A
Retailer 13
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HK$21,332 HKD
$2,719 USD
View
A
Retailer 14
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HK$24,000 HKD
$3,059 USD
View
A
Retailer 15
-
HK$25,697 HKD
A$5,039 AUD
View
A
Retailer 16
-
HK$26,423 HKD
ZAR 54,407 ZAR
View
B+
Retailer 17
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HK$27,501 HKD
£2,760 GBP
View
B+
Retailer 18
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HK$32,208 HKD
$4,105 USD
View
B+
Retailer 19
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HK$32,654 HKD
$4,162 USD
View
B+
Retailer 20
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HK$35,660 HKD
$4,545 USD
View
B+
Retailer 21
-
HK$36,558 HKD
£3,669 GBP
View
B+
Retailer 22
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HK$39,915 HKD
$5,088 USD
View
B+
Retailer 23
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HK$40,020 HKD
SGD 6,893 SGD
View
B+
Retailer 24
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HK$43,442 HKD
$5,537 USD
View
Retailer 25
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HK$44,838 HKD
$5,715 USD
View
Price last confirmed 11 days ago
Retailer 26
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HK$53,741 HKD
A$10,538 AUD
View
Price last confirmed 33 days ago
B
Retailer 27
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HK$63,864 HKD
$8,140 USD
View
Most Expensive
B
Blue Nile
27482522 · Oct 31
HK$70,666 HKD
$9,007 USD
View
27 more retailers have this diamond
Prices start from HK$9,807 HKDSave up to HK$60,859 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
3.11ct Radiant
HK$9,807 HKD