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Round|Lab Grown|IGI

1.51ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG779621240

Shape and cutting style on the report: Round brilliant

Certificate IGI LG779621240

Diamond specifications and retailer prices

From $281 SGD
As of November 5, 2026
Save $1,323 SGD (82%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,604 SGD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG779621240 or 779621240. Listed at 21 retailers as of November 5, 2026, with prices from $281 to $1,604, a $1,323 spread on the same certified stone. Reve Diamonds lists it at $1,604. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779621240
Dimensions7.33 × 7.38 × 4.52 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
7.33 mm7.38 mm1.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779621240
Side View
Table 57.0%Crown 34.7°Girdle: MediumPavilion 40.5°Culet: NoneDepth 61.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $538 SGD|Low: $270 SGD|High: $1,604 SGD|Avg: $760 SGD|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Reve Diamonds
November 6, 2026
Retailer 17$281 SGD
Retailer 9$313 SGD
Retailer 3$326 SGD
Retailer 2$347 SGD
Retailer 7$347 SGD
Retailer 5$470 SGD
Retailer 1$538 SGD
Retailer 11$559 SGD
Retailer 4$570 SGD
Retailer 12$637 SGD
Retailer 8$672 SGD
Retailer 16$695 SGD
Retailer 15$853 SGD
Retailer 13$971 SGD
Retailer 6$1,118 SGD
Retailer 10$1,184 SGD
Retailer 18$1,328 SGD
Retailer 14$1,392 SGD
Reve Diamonds$1,604 SGD

44 data points across 19 retailers

21 retailers$281 SGD to $1,604 SGD

A
Cheapest Retailer
-
$281 SGD
A
Retailer 2
-
$313 SGD
View
Final sale: no returns
A
Retailer 3
-
$326 SGD
View
A
Retailer 4
-
$347 SGD
View
Retailer 5
-
$347 SGD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
$470 SGD
View
A
Retailer 7
-
$538 SGD
View
A
Retailer 8
-
$559 SGD
View
A
Retailer 9
-
$570 SGD
View
A
Retailer 10
-
$637 SGD
View
B+
Retailer 11
-
$672 SGD
View
B+
Retailer 12
-
$695 SGD
View
B+
Retailer 13
-
$853 SGD
View
Retailer 14
-
$903 SGD
View
Price last confirmed 9 days ago
B
Retailer 15
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$971 SGD
View
B+
Retailer 16
-
$984 SGD
View
B
Retailer 17
-
$1,118 SGD
View
B
Retailer 18
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$1,184 SGD
View
B
Retailer 19
-
$1,328 SGD
View
B
Retailer 20
-
$1,392 SGD
View
Most Expensive
B
Reve Diamonds
34A7E3B50 · Nov 6
$1,604 SGD
$1,256 USD
View
20 more retailers have this diamond
Prices start from $281 SGDSave up to $1,323 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
$281 SGD