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Asscher|Lab Grown|IGI

3.51ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG640447575

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG640447575

Diamond specifications and retailer prices

From $571 SGD
As of November 4, 2026
Save $1,890 SGD (77%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,305 SGD at Rare Carat · As of September 28, 2026
View at Rare Carat

About this 3.51ct lab-grown asscher diamond

This 3.51ct lab-grown asscher sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG640447575 or 640447575. Listed at 16 retailers as of November 5, 2026, with a 331% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.51
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle33.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640447575
Dimensions8.44 × 8.22 × 5.27 mm
L/W Ratio1.03
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.44 mm8.22 mm3.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640447575
Side View
Table 63.0%Crown 36.1°Girdle: MediumPavilion 33.1°Culet: NoneDepth 64.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $4,305 SGD|Low: $571 SGD|High: $4,305 SGD|Avg: $1,533 SGD
Rare Carat
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 6, 2026
Retailer 7$571 SGD
Retailer 11$571 SGD
Retailer 9$632 SGD
Retailer 14$632 SGD
Retailer 5$817 SGD
Retailer 3$849 SGD
Retailer 13$996 SGD
Retailer 2$1,027 SGD
Retailer 15$1,044 SGD
Retailer 12$1,772 SGD
Retailer 10$2,031 SGD
Retailer 6$2,077 SGD
Retailer 4$2,335 SGD
Retailer 8$2,461 SGD
Rare Carat$4,305 SGD

46 data points across 15 retailers

16 retailers$571 SGD to $2,461 SGD

A
Cheapest Retailer
-
$571 SGD
Final sale: no returns
A
Retailer 2
-
$571 SGD
View
Retailer 3
-
$632 SGD
View
Price last confirmed 21 days ago
A
Retailer 4
-
$632 SGD
View
A
Retailer 5
-
$817 SGD
View
B+
Retailer 6
-
$849 SGD
View
Retailer 7
-
$996 SGD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$1,027 SGD
View
A
Retailer 9
-
$1,044 SGD
View
B+
Retailer 10
-
$1,772 SGD
View
B+
Retailer 11
-
$2,010 SGD
View
B+
Retailer 12
-
$2,031 SGD
View
B+
Retailer 13
-
$2,077 SGD
View
B+
Retailer 14
-
$2,335 SGD
View
B+
Retailer 15
-
$2,461 SGD
View
Most Expensive
Rare Carat
ST-26414_l_640447575 · Sep 28
$4,305 SGD
$3,370 USD
View
Price last confirmed 38 days ago
15 more retailers have this diamond
Prices start from $571 SGDSave up to $1,890 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
3.51ct Asscher
$571 SGD