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Round|Lab Grown|IGI

1.51ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG793631681

Shape and cutting style on the report: Round brilliant

Certificate IGI LG793631681

Diamond specifications and retailer prices

From $300 SGD
As of November 5, 2026
Save $1,368 SGD (82%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,668 SGD at Reve Diamonds · As of November 4, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG793631681 or 793631681. Listed at 21 retailers as of November 4, 2026, with prices from $300 to $1,668, a $1,368 spread on the same certified stone. Reve Diamonds lists it at $1,668. 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG793631681
Dimensions7.33 × 7.28 × 4.62 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 mm7.28 mm1.51 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG793631681
Side View
Table 55.0%Crown 36°Girdle: MediumPavilion 41.2°Culet: NoneDepth 63.3%

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: $695 SGD|Low: $298 SGD|High: $1,668 SGD|Avg: $815 SGD|+6.5%
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
Reve Diamonds
November 6, 2026
Retailer 5$300 SGD
Retailer 11$336 SGD
Retailer 12$349 SGD
Retailer 2$373 SGD
Retailer 14$373 SGD
Retailer 3$630 SGD
Retailer 13$694 SGD
Retailer 1$695 SGD
Retailer 10$700 SGD
Retailer 6$1,198 SGD
Retailer 9$1,202 SGD
Retailer 4$1,263 SGD
Retailer 7$1,392 SGD
Retailer 8$1,488 SGD
Reve Diamonds$1,668 SGD

45 data points across 15 retailers

21 retailers$300 SGD to $1,668 SGD

Retailer 1
-
$298 SGD
Price last confirmed 45 days ago
A
Retailer 2
-
$300 SGD
View
A
Retailer 3
-
$336 SGD
View
Final sale: no returns
A
Retailer 4
-
$349 SGD
View
Retailer 5
-
$364 SGD
View
Price last confirmed 45 days ago
Retailer 6
-
$373 SGD
View
Price last confirmed 12 days ago
A
Retailer 7
-
$373 SGD
View
A
Retailer 8
-
$556 SGD
View
B+
Retailer 9
-
$630 SGD
View
B+
Retailer 10
-
$694 SGD
View
B+
Retailer 11
-
$695 SGD
View
B+
Retailer 12
-
$700 SGD
View
B+
Retailer 13
-
$994 SGD
View
Retailer 14
-
$1,188 SGD
View
Price last confirmed 46 days ago
B
Retailer 15
-
$1,198 SGD
View
B
Retailer 16
-
$1,202 SGD
View
B
Retailer 17
-
$1,263 SGD
View
B
Retailer 18
-
$1,328 SGD
View
B
Retailer 19
-
$1,392 SGD
View
B
Retailer 20
-
$1,488 SGD
View
Most Expensive
B
Reve Diamonds
956C4DEDD · Nov 4
$1,668 SGD
$1,306 USD
View
20 more retailers have this diamond
Prices start from $300 SGDSave up to $1,368 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
$300 SGD