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Cushion|Lab Grown|IGI

4.51ct I VVS2 Cushion Lab Grown Diamond

ID • I/VVS2 • IGI LG500144718

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG500144718

Diamond specifications and retailer prices

From $4,805 SGD
As of November 3, 2026
Save $14,703 SGD (75%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $45,313 SGD at Cape Diamonds · As of November 3, 2026
View at Cape Diamonds

About this 4.51ct lab-grown cushion diamond

This 4.51ct 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 LG500144718 or 500144718. Listed at 8 retailers as of November 3, 2026, with a 306% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
I
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.6°
Pavilion angle31.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500144718
Dimensions9.35 × 9.02 × 5.88 mm
L/W Ratio1.04
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
9.35 mm9.02 mm4.51 ctI / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG500144718
Side View
Table 64.0%Crown 40.6°Girdle: STK-VTKPavilion 31.4°Culet: NoneDepth 65.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $45,313 SGD|Low: $4,805 SGD|High: $50,623 SGD|Avg: $24,280 SGD|-10.5%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 3, 2026
Retailer 3$4,805 SGD
Retailer 8$19,508 SGD
Retailer 6$20,489 SGD
Retailer 9$20,568 SGD
Retailer 5$21,005 SGD
Retailer 4$21,222 SGD
Retailer 10$22,784 SGD
Retailer 7$30,400 SGD
Retailer 2$33,334 SGD
Cape Diamonds$45,313 SGD

18 data points across 10 retailers

8 retailers$4,805 SGD to $19,508 SGD

B+
Cheapest Retailer
-
$4,805 SGD
B
Retailer 2
-
$19,508 SGD
View
Retailer 3
-
$20,489 SGD
View
Price under review
Final sale: no returns
Retailer 4
-
$21,005 SGD
View
Price under review
Retailer 5
-
$21,222 SGD
View
Price under review
Most Expensive
Cape Diamonds
cert_500144718 · Nov 3
$45,313 SGD
ZAR 571,372 ZAR
View
Price under review
5 more retailers have this diamond
Prices start from $4,805 SGDSave up to $14,703 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.

B+
4.51ct Cushion
$4,805 SGD