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Cushion|Lab Grown|IGI

3.51ct F VVS1 Cushion Lab Grown Diamond

EX • F/VVS1 • IGI LG813654337

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG813654337

Diamond specifications and retailer prices

From $1,137 SGD
$889 USD
As of November 1, 2026
Save $6,026 SGD (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $7,163 SGD at Queensmith · As of October 27, 2026
View at Queensmith

About this 3.51ct lab-grown cushion diamond

This 3.51ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG813654337 or 813654337. Listed at 21 retailers as of October 27, 2026, with prices from $1,137 to $7,163, a $6,026 spread on the same certified stone. Queensmith lists it at $7,163. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.51
Carat
F
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813654337
Dimensions8.90 × 8.68 × 5.56 mm
L/W Ratio1.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.90 mm8.68 mm3.51 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813654337
Side View
Table 62.0%Crown 32.9°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 64.1%

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: $1,806 SGD|Low: $1,137 SGD|High: $6,701 SGD|Avg: $2,964 SGD|-5.3%
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
Retailer 19
November 3, 2026
Retailer 8$1,137 SGD
Retailer 14$1,366 SGD
Retailer 3$1,420 SGD
Retailer 6$1,675 SGD
Retailer 9$1,686 SGD
Retailer 17$1,786 SGD
Retailer 1$1,806 SGD
Retailer 13$2,577 SGD
Retailer 19$2,659 SGD
Retailer 12$2,737 SGD
Retailer 7$2,895 SGD
Retailer 4$3,429 SGD
Retailer 5$3,664 SGD
Retailer 10$3,950 SGD
Retailer 11$4,072 SGD
Retailer 15$4,415 SGD
Retailer 18$4,846 SGD
Retailer 2$5,096 SGD
Retailer 16$6,701 SGD

27 data points across 19 retailers

21 retailers$1,137 SGD to $7,163 SGD

A
Cheapest Retailer
-
$1,137 SGD
$889 USD
Final sale: no returns
Retailer 2
-
$1,224 SGD
$957 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$1,366 SGD
£841 GBP
View
A
Retailer 4
-
$1,420 SGD
$1,110 USD
View
A
Retailer 5
-
$1,675 SGD
$1,310 USD
View
A
Retailer 6
-
$1,686 SGD
$1,318 USD
View
A
Retailer 7
-
$1,786 SGD
€1,330 EUR
View
A
Retailer 8
-
$1,806 SGD
£1,112 GBP
View
B+
Retailer 9
-
$2,577 SGD
$2,015 USD
View
B+
Retailer 10
-
$2,659 SGD
A$3,199 AUD
View
B+
Retailer 11
-
$2,737 SGD
ZAR 34,571 ZAR
View
B+
Retailer 12
-
$2,895 SGD
$2,264 USD
View
B+
Retailer 13
-
$3,429 SGD
$2,681 USD
View
B
Retailer 14
-
$3,664 SGD
£2,256 GBP
View
B
Retailer 15
-
$3,950 SGD
$3,088 USD
View
B
Retailer 16
-
$4,072 SGD
$3,184 USD
View
B
Retailer 17
-
$4,415 SGD
£2,718 GBP
View
B
Retailer 18
-
$4,846 SGD
A$5,830 AUD
View
B
Retailer 19
-
$5,096 SGD
$3,985 USD
View
B
Retailer 20
-
$6,701 SGD
$5,240 USD
View
Most Expensive
B
Queensmith
LG813654337 · Oct 27
$7,163 SGD
£4,410 GBP
View
20 more retailers have this diamond
Prices start from $1,137 SGDSave up to $6,026 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 Cushion
$1,137 SGD