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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 $491 SGD
HK$3,000 HKD
As of November 1, 2026
Save $2,091 SGD (81%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,582 SGD at Brilliant Earth · As of October 31, 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 October 31, 2026, with prices from $491 to $2,582, a $2,091 spread on the same certified stone. Brilliant Earth lists it at $2,582. 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

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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: Nov 1
Current: $2,582 SGD|Low: $575 SGD|High: $3,030 SGD|Avg: $1,326 SGD|-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 1, 2026
Retailer 10$575 SGD
Retailer 14$575 SGD
Retailer 12$689 SGD
Retailer 2$705 SGD
Retailer 9$778 SGD
Retailer 13$951 SGD
Retailer 11$1,023 SGD
Retailer 15$1,078 SGD
Retailer 5$1,378 SGD
Retailer 3$1,397 SGD
Retailer 7$1,563 SGD
Retailer 8$1,637 SGD
Retailer 4$1,808 SGD
Retailer 6$2,391 SGD
Brilliant Earth$2,582 SGD

34 data points across 15 retailers

24 retailers$491 SGD to $2,582 SGD

Retailer 1
-
$332 SGD
$260 USD
Price last confirmed 14 days ago
Retailer 2
-
$395 SGD
$309 USD
View
Price last confirmed 19 days ago
Retailer 3
-
$422 SGD
$330 USD
View
Price last confirmed 30 days ago
Retailer 4
-
$422 SGD
$330 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
$491 SGD
HK$3,000 HKD
View
B+
Retailer 6
-
$575 SGD
$450 USD
View
A
Retailer 7
-
$575 SGD
$450 USD
View
A
Retailer 8
-
$689 SGD
€513 EUR
View
A
Retailer 9
-
$705 SGD
ZAR 8,909 ZAR
View
A
Retailer 10
-
$778 SGD
£479 GBP
View
A
Retailer 11
-
$951 SGD
A$1,145 AUD
View
A
Retailer 12
-
$1,023 SGD
$800 USD
View
B+
Retailer 13
-
$1,078 SGD
$843 USD
View
Retailer 14
-
$1,327 SGD
$1,038 USD
View
Price last confirmed 15 days ago
B+
Retailer 15
-
$1,378 SGD
$1,078 USD
View
B+
Retailer 16
-
$1,397 SGD
View
B+
Retailer 17
-
$1,563 SGD
$1,223 USD
View
B+
Retailer 18
-
$1,637 SGD
£1,008 GBP
View
B
Retailer 19
-
$1,808 SGD
$1,414 USD
View
Retailer 20
-
$2,384 SGD
$1,865 USD
View
Price last confirmed 11 days ago
Retailer 21
-
$2,391 SGD
$1,870 USD
View
Price last confirmed 11 days ago
Retailer 22
-
$2,397 SGD
$1,875 USD
View
Price last confirmed 12 days ago
Retailer 23
-
$2,415 SGD
$1,889 USD
View
Price last confirmed 53 days ago
Most Expensive
B
Brilliant Earth
21101265A · Oct 31
$2,582 SGD
$2,020 USD
View
23 more retailers have this diamond
Prices start from $491 SGDSave up to $2,091 SGD

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
$491 SGD