CaratHunter
Plans
Cushion|Lab Grown|IGI

3.11ct I VVS2 Cushion Lab Grown Diamond

EX • I/VVS2 • IGI LG665402428

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

Certificate IGI LG665402428

Diamond specifications and retailer prices

From $916 SGD
$715 USD
As of November 3, 2026
Save $4,260 SGD (82%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,176 SGD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 3.11ct lab-grown cushion diamond

This 3.11ct lab-grown cushion sits in the three to five carat band, graded I colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG665402428 or 665402428. Listed at 9 retailers as of November 2, 2026, with prices from $916 to $5,176, a $4,260 spread on the same certified stone. Do Amore Diamonds lists it at $5,176. 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

3.11
Carat
I
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665402428
Dimensions8.61 × 8.35 × 5.57 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.61 mm8.35 mm3.11 ctI / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665402428
Side View
Table 61.0%Crown 38.8°Girdle: MED-THKPavilion 38.8°Culet: NoneDepth 66.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $5,176 SGD|Low: $916 SGD|High: $5,176 SGD|Avg: $2,118 SGD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 6$916 SGD
Retailer 3$927 SGD
Retailer 8$1,108 SGD
Retailer 7$1,133 SGD
Retailer 9$1,224 SGD
Retailer 2$1,732 SGD
Retailer 10$2,167 SGD
Retailer 5$2,492 SGD
Retailer 11$2,747 SGD
Retailer 4$3,331 SGD
Do Amore Diamonds$5,176 SGD

22 data points across 11 retailers

9 retailers$916 SGD to $5,176 SGD

A
Cheapest Retailer
-
$916 SGD
$715 USD
A
Retailer 2
-
$1,108 SGD
$865 USD
View
B+
Retailer 3
-
$1,133 SGD
$884 USD
View
A
Retailer 4
-
$1,224 SGD
$955 USD
View
A
Retailer 5
-
$1,732 SGD
ZAR 21,838 ZAR
View
B+
Retailer 6
-
$2,492 SGD
$1,945 USD
View
B+
Retailer 7
-
$2,747 SGD
$2,144 USD
View
B+
Retailer 8
-
$3,331 SGD
£2,047 GBP
View
Most Expensive
B
Do Amore Diamonds
27-5C6AC5CEF · Nov 2
$5,176 SGD
$4,040 USD
View
8 more retailers have this diamond
Prices start from $916 SGDSave up to $4,260 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
3.11ct Cushion
$916 SGD