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Cushion|Lab Grown|IGI

3.12ct I VS1 Cushion Lab Grown Diamond

ID • I/VS1 • IGI LG557237375

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

Certificate IGI LG557237375

Diamond specifications and retailer prices

From $734 SGD
$573 USD
As of November 3, 2026
Save $5,083 SGD (87%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,817 SGD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 3.12ct lab-grown cushion diamond

This 3.12ct lab-grown cushion sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG557237375 or 557237375. Listed at 9 retailers as of November 2, 2026, with prices from $734 to $5,817, a $5,083 spread on the same certified stone. Do Amore Diamonds lists it at $5,817. 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

3.12
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG557237375
Dimensions8.55 × 8.47 × 5.73 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.55 mm8.47 mm3.12 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG557237375
Side View
Table 59.5%Crown 35.5°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 67.7%

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 3
Current: $5,586 SGD|Low: $524 SGD|High: $5,817 SGD|Avg: $2,081 SGD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 3, 2026
Retailer 6$734 SGD
Retailer 3$949 SGD
Retailer 7$1,179 SGD
Retailer 8$1,257 SGD
Retailer 5$1,261 SGD
Retailer 4$1,262 SGD
Retailer 2$3,897 SGD
Do Amore Diamonds$5,586 SGD

36 data points across 8 retailers

9 retailers$734 SGD to $5,817 SGD

A
Cheapest Retailer
-
$734 SGD
$573 USD
Final sale: no returns
A
Retailer 2
-
$949 SGD
£583 GBP
View
A
Retailer 3
-
$1,179 SGD
$920 USD
View
A
Retailer 4
-
$1,257 SGD
$981 USD
View
A
Retailer 5
-
$1,261 SGD
$984 USD
View
A
Retailer 6
-
$1,262 SGD
$985 USD
View
B
Retailer 7
-
$3,897 SGD
£2,395 GBP
View
B
Retailer 8
-
$5,586 SGD
$4,360 USD
View
Most Expensive
B
Do Amore Diamonds
27-3908C0E64 · Nov 2
$5,817 SGD
$4,540 USD
View
8 more retailers have this diamond
Prices start from $734 SGDSave up to $5,083 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
3.12ct Cushion
$734 SGD