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Round|Lab Grown|IGI

1.51ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG797646136

Shape and cutting style on the report: Round brilliant

Certificate IGI LG797646136

Diamond specifications and retailer prices

From HK$3,287 HKD
$419 USD
As of October 30, 2026
Save HK$12,624 HKD (79%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: HK$17,182 HKD at Rare Carat · As of September 9, 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 LG797646136 or 797646136. Listed at 26 retailers as of October 30, 2026, with a 384% 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 angle34.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797646136
Dimensions7.32 × 7.35 × 4.55 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.32 mm7.35 mm1.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797646136
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$8,575 HKD|Low: HK$3,287 HKD|High: HK$16,123 HKD|Avg: HK$8,489 HKD|-18.8%
Retailer 1
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
October 30, 2026
Retailer 9HK$3,287 HKD
Retailer 10HK$4,117 HKD
Retailer 17HK$4,825 HKD
Retailer 18HK$4,904 HKD
Retailer 11HK$5,496 HKD
Retailer 3HK$5,625 HKD
Retailer 14HK$5,725 HKD
Retailer 16HK$6,266 HKD
Retailer 12HK$6,573 HKD
Retailer 4HK$7,053 HKD
Retailer 13HK$8,460 HKD
Retailer 1HK$8,575 HKD
Retailer 6HK$11,815 HKD
Retailer 8HK$12,027 HKD
Retailer 5HK$13,652 HKD
Retailer 2HK$13,742 HKD
Retailer 15HK$14,328 HKD
Retailer 7HK$15,911 HKD

26 data points across 18 retailers

26 retailersHK$3,287 HKD to HK$15,911 HKD

Retailer 1
-
HK$2,974 HKD
$379 USD
Price last confirmed 12 days ago
A
Retailer 2
-
HK$3,287 HKD
$419 USD
View
Final sale: no returns
Retailer 3
-
HK$3,405 HKD
$434 USD
View
Price last confirmed 17 days ago
Retailer 4
-
HK$3,766 HKD
$480 USD
View
Price last confirmed 28 days ago
Retailer 5
-
HK$3,766 HKD
$480 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
HK$4,117 HKD
View
A
Retailer 7
-
HK$4,825 HKD
$615 USD
View
A
Retailer 8
-
HK$4,904 HKD
$625 USD
View
A
Retailer 9
-
HK$5,496 HKD
£552 GBP
View
A
Retailer 10
-
HK$5,625 HKD
$717 USD
View
A
Retailer 11
-
HK$5,725 HKD
€695 EUR
View
A
Retailer 12
-
HK$6,266 HKD
ZAR 12,902 ZAR
View
A
Retailer 13
-
HK$6,573 HKD
£660 GBP
View
A
Retailer 14
-
HK$7,053 HKD
$899 USD
View
B+
Retailer 15
-
HK$8,460 HKD
A$1,659 AUD
View
B+
Retailer 16
-
HK$8,575 HKD
$1,093 USD
View
B+
Retailer 17
-
HK$10,231 HKD
$1,304 USD
View
B+
Retailer 18
-
HK$11,815 HKD
SGD 2,035 SGD
View
Retailer 19
-
HK$11,855 HKD
$1,511 USD
View
Price last confirmed 13 days ago
B+
Retailer 20
-
HK$12,027 HKD
$1,533 USD
View
B+
Retailer 21
-
HK$12,961 HKD
$1,652 USD
View
B+
Retailer 22
-
HK$13,652 HKD
$1,740 USD
View
B
Retailer 23
-
HK$13,742 HKD
$1,751 USD
View
B+
Retailer 24
-
HK$14,328 HKD
£1,438 GBP
View
B
Retailer 25
-
HK$15,911 HKD
$2,028 USD
View
Most Expensive
Rare Carat
35270594 · Sep 9
HK$17,182 HKD
$2,190 USD
View
Price last confirmed 51 days ago
25 more retailers have this diamond
Prices start from HK$3,287 HKDSave up to HK$12,624 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$3,287 HKD