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Round|Lab Grown|IGI

1.51ct G IF Round Lab Grown Diamond

ID • G/IF • IGI LG823679340

Shape and cutting style on the report: Round brilliant

Certificate IGI LG823679340

Diamond specifications and retailer prices

From HK$3,013 HKD
As of November 4, 2026
Save HK$12,835 HKD (81%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$15,847 HKD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

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 G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG823679340 or 823679340. Listed at 24 retailers as of November 4, 2026, with prices from HK$3,013 to HK$15,847, a HK$12,835 spread on the same certified stone. Brilliant Earth lists it at HK$15,847. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823679340
Dimensions7.32 × 7.34 × 4.50 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.32 mm7.34 mm1.51 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823679340
Side View
Table 60.0%Crown 33.4°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.4%

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: Nov 4
Current: HK$15,847 HKD|Low: HK$3,530 HKD|High: HK$18,593 HKD|Avg: HK$8,262 HKD|-12.2%
Brilliant Earth
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
November 5, 2026
Retailer 15HK$3,530 HKD
Retailer 10HK$3,766 HKD
Retailer 12HK$4,229 HKD
Retailer 13HK$4,323 HKD
Retailer 2HK$4,723 HKD
Retailer 11HK$5,860 HKD
Retailer 14HK$6,276 HKD
Retailer 3HK$6,614 HKD
Retailer 6HK$8,457 HKD
Retailer 4HK$8,567 HKD
Retailer 7HK$9,595 HKD
Retailer 8HK$10,010 HKD
Retailer 5HK$11,093 HKD
Retailer 9HK$13,298 HKD
Brilliant EarthHK$15,847 HKD

35 data points across 15 retailers

24 retailersHK$3,013 HKD to HK$15,847 HKD

Retailer 1
-
HK$2,040 HKD
Price last confirmed 18 days ago
Retailer 2
-
HK$2,424 HKD
View
Price last confirmed 23 days ago
Retailer 3
-
HK$2,589 HKD
View
Price last confirmed 34 days ago
Retailer 4
-
HK$2,589 HKD
View
Price last confirmed 20 days ago
A
Retailer 5
-
HK$3,013 HKD
View
B+
Retailer 6
-
HK$3,530 HKD
View
A
Retailer 7
-
HK$3,766 HKD
View
A
Retailer 8
-
HK$4,229 HKD
View
A
Retailer 9
-
HK$4,323 HKD
View
A
Retailer 10
-
HK$4,723 HKD
View
A
Retailer 11
-
HK$5,860 HKD
View
A
Retailer 12
-
HK$6,276 HKD
View
B+
Retailer 13
-
HK$6,614 HKD
View
Retailer 14
-
HK$8,143 HKD
View
Price last confirmed 18 days ago
B+
Retailer 15
-
HK$8,457 HKD
View
B+
Retailer 16
-
HK$8,567 HKD
View
B+
Retailer 17
-
HK$9,595 HKD
View
B+
Retailer 18
-
HK$10,010 HKD
View
B
Retailer 19
-
HK$11,093 HKD
View
B
Retailer 20
-
HK$13,298 HKD
View
B
Retailer 21
-
HK$13,298 HKD
View
Retailer 22
-
HK$14,710 HKD
View
Price last confirmed 15 days ago
Retailer 23
-
HK$14,812 HKD
View
Price last confirmed 57 days ago
Most Expensive
B
Brilliant Earth
21101265A · Nov 5
HK$15,847 HKD
$2,020 USD
View
23 more retailers have this diamond
Prices start from HK$3,013 HKDSave up to HK$12,835 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$3,013 HKD