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Round|Lab Grown|IGI

1.51ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG788668298

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788668298

Diamond specifications and retailer prices

From HK$2,526 HKD
$322 USD
As of October 29, 2026
Save HK$10,098 HKD (80%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: HK$16,673 HKD at Rare Carat · As of July 12, 2026
View at Rare Carat

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG788668298 or 788668298. Listed at 27 retailers as of October 29, 2026, with a 400% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788668298
Dimensions7.29 × 7.33 × 4.56 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.29 mm7.33 mm1.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788668298
Side View
Table 59.0%Crown 35.9°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.4%

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 29
Current: HK$16,672 HKD|Low: HK$2,424 HKD|High: HK$16,751 HKD|Avg: HK$7,171 HKD|-0.5%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 30, 2026
Retailer 4HK$2,526 HKD
Retailer 7HK$2,934 HKD
Retailer 6HK$3,130 HKD
Retailer 10HK$3,130 HKD
Retailer 8HK$4,221 HKD
Retailer 22HK$4,354 HKD
Retailer 16HK$4,722 HKD
Retailer 19HK$4,885 HKD
Retailer 11HK$5,155 HKD
Retailer 21HK$5,384 HKD
Retailer 3HK$5,395 HKD
Retailer 17HK$5,581 HKD
Retailer 12HK$6,912 HKD
Retailer 20HK$7,303 HKD
Retailer 2HK$7,642 HKD
Retailer 15HK$9,737 HKD
Retailer 9HK$10,074 HKD
Retailer 13HK$10,827 HKD
Retailer 5HK$11,094 HKD
Retailer 14HK$12,421 HKD
Retailer 18HK$12,624 HKD
Rare CaratHK$16,672 HKD

37 data points across 22 retailers

27 retailersHK$2,526 HKD to HK$12,624 HKD

A
Cheapest Retailer
-
HK$2,526 HKD
$322 USD
A
Retailer 2
-
HK$2,824 HKD
$360 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,934 HKD
$374 USD
View
A
Retailer 4
-
HK$3,130 HKD
$399 USD
View
A
Retailer 5
-
HK$3,130 HKD
$399 USD
View
A
Retailer 6
-
HK$4,221 HKD
$538 USD
View
A
Retailer 7
-
HK$4,354 HKD
$555 USD
View
A
Retailer 8
-
HK$4,722 HKD
£474 GBP
View
A
Retailer 9
-
HK$4,885 HKD
€593 EUR
View
A
Retailer 10
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HK$5,155 HKD
$657 USD
View
A
Retailer 11
-
HK$5,384 HKD
ZAR 11,086 ZAR
View
A
Retailer 12
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HK$5,395 HKD
A$1,058 AUD
View
A
Retailer 13
-
HK$5,581 HKD
£560 GBP
View
A
Retailer 14
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HK$6,912 HKD
$881 USD
View
A
Retailer 15
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HK$7,303 HKD
A$1,432 AUD
View
A
Retailer 16
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HK$7,642 HKD
$974 USD
View
B+
Retailer 17
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HK$7,728 HKD
$985 USD
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B+
Retailer 18
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HK$9,933 HKD
$1,266 USD
View
B+
Retailer 19
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HK$10,074 HKD
$1,284 USD
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B+
Retailer 20
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HK$10,425 HKD
$1,329 USD
View
B+
Retailer 21
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HK$10,827 HKD
A$2,123 AUD
View
B+
Retailer 22
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HK$11,094 HKD
$1,414 USD
View
B+
Retailer 23
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HK$12,043 HKD
$1,535 USD
View
B+
Retailer 24
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HK$12,421 HKD
$1,583 USD
View
B+
Retailer 25
-
HK$12,624 HKD
£1,267 GBP
View
Retailer 26
-
HK$16,672 HKD
$2,125 USD
View
Price last confirmed 13 days ago
Most Expensive
Rare Carat
ED2986682ED788 · Jul 12
HK$16,673 HKD
$2,125 USD
View
Price last confirmed 110 days ago
26 more retailers have this diamond
Prices start from HK$2,526 HKDSave up to HK$10,098 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 Round
HK$2,526 HKD