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1.51ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG759506912

Shape and cutting style on the report: Round brilliant

Certificate IGI LG759506912

Diamond specifications and retailer prices

From $286 SGD
As of November 5, 2026
Save $1,335 SGD (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,621 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG759506912 or 759506912. Listed at 22 retailers as of November 5, 2026, with prices from $286 to $1,621, a $1,335 spread on the same certified stone. Reve Diamonds lists it at $1,621. 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG759506912
Dimensions7.48 × 7.45 × 4.46 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
7.48 mm7.45 mm1.51 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG759506912
Side View
Table 61.0%Crown 32.8°Girdle: THN-MEDPavilion 41.3°Culet: NoneDepth 59.7%

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 5
Current: $324 SGD|Low: $284 SGD|High: $1,621 SGD|Avg: $742 SGD|+2.4%
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
Reve Diamonds
November 6, 2026
Retailer 9$286 SGD
Retailer 1$324 SGD
Retailer 18$332 SGD
Retailer 5$354 SGD
Retailer 6$354 SGD
Retailer 3$556 SGD
Retailer 7$604 SGD
Retailer 11$613 SGD
Retailer 12$646 SGD
Retailer 14$651 SGD
Retailer 4$678 SGD
Retailer 2$737 SGD
Retailer 16$932 SGD
Retailer 13$1,124 SGD
Retailer 10$1,139 SGD
Retailer 17$1,143 SGD
Retailer 8$1,206 SGD
Retailer 15$1,415 SGD
Reve Diamonds$1,621 SGD

31 data points across 19 retailers

22 retailers$286 SGD to $1,621 SGD

A
Cheapest Retailer
-
$286 SGD
A
Retailer 2
-
$324 SGD
View
Final sale: no returns
A
Retailer 3
-
$332 SGD
View
Retailer 4
-
$354 SGD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$354 SGD
View
A
Retailer 6
-
$556 SGD
View
B+
Retailer 7
-
$604 SGD
View
A
Retailer 8
-
$613 SGD
View
A
Retailer 9
-
$646 SGD
View
B+
Retailer 10
-
$651 SGD
View
B+
Retailer 11
-
$678 SGD
View
B+
Retailer 12
-
$737 SGD
View
B
Retailer 13
-
$932 SGD
View
B
Retailer 14
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$985 SGD
View
B
Retailer 15
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$1,124 SGD
View
B
Retailer 16
-
$1,124 SGD
View
Retailer 17
-
$1,129 SGD
View
Price last confirmed 46 days ago
B
Retailer 18
-
$1,139 SGD
View
B
Retailer 19
-
$1,143 SGD
View
B
Retailer 20
-
$1,206 SGD
View
B
Retailer 21
-
$1,415 SGD
View
Most Expensive
B
Reve Diamonds
70B9D45A9 · Nov 6
$1,621 SGD
$1,269 USD
View
21 more retailers have this diamond
Prices start from $286 SGDSave up to $1,335 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
$286 SGD