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Cushion|Lab Grown|IGI

4.51ct F VS2 Cushion Lab Grown Diamond

EX • F/VS2 • IGI LG780606629

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

Certificate IGI LG780606629

Diamond specifications and retailer prices

From $1,157 SGD
$905 USD
As of October 31, 2026
Save $6,488 SGD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,645 SGD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.51ct lab-grown cushion diamond

This 4.51ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG780606629 or 780606629. Listed at 11 retailers as of October 31, 2026, with prices from $1,157 to $7,645, a $6,488 spread on the same certified stone. Do Amore Diamonds lists it at $7,645. 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

4.51
Carat
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780606629
Dimensions9.66 × 9.51 × 6.43 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.66 mm9.51 mm4.51 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780606629
Side View
Table 64.0%Crown 36.7°Girdle: MED-STKPavilion 40°Culet: NoneDepth 67.6%

Caratlytics Score

How it works →
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: Oct 31
Current: $7,645 SGD|Low: $1,157 SGD|High: $8,476 SGD|Avg: $3,205 SGD|-9.8%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 5$1,157 SGD
Retailer 4$1,375 SGD
Retailer 6$1,461 SGD
Retailer 8$1,625 SGD
Retailer 7$1,786 SGD
Retailer 3$1,800 SGD
Retailer 9$3,970 SGD
Retailer 2$4,350 SGD
Retailer 10$4,845 SGD
Retailer 11$4,984 SGD
Do Amore Diamonds$7,645 SGD

9 data points across 11 retailers

11 retailers$1,157 SGD to $7,645 SGD

A
Cheapest Retailer
-
$1,157 SGD
$905 USD
A
Retailer 2
-
$1,375 SGD
HK$8,400 HKD
View
A
Retailer 3
-
$1,461 SGD
$1,143 USD
View
B+
Retailer 4
-
$1,625 SGD
$1,271 USD
View
A
Retailer 5
-
$1,786 SGD
$1,397 USD
View
Retailer 6
-
$3,746 SGD
$2,930 USD
View
Price last confirmed 18 days ago
B+
Retailer 7
-
$3,970 SGD
View
B
Retailer 8
-
$4,350 SGD
£2,679 GBP
View
B
Retailer 9
-
$4,845 SGD
$3,790 USD
View
B
Retailer 10
-
$4,984 SGD
$3,899 USD
View
Most Expensive
B
Do Amore Diamonds
27-D40AF3ECA · Oct 31
$7,645 SGD
$5,980 USD
View
10 more retailers have this diamond
Prices start from $1,157 SGDSave up to $6,488 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
4.51ct Cushion
$1,157 SGD