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Cushion|Lab Grown|IGI

15.65ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG627413256

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG627413256

Diamond specifications and retailer prices

From $5,014 SGD
£3,088 GBP
As of November 1, 2026
Save $17,985 SGD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $22,998 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 15.65ct lab-grown cushion diamond

This 15.65ct lab-grown cushion sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG627413256 or 627413256. Listed at 14 retailers as of October 31, 2026, with prices from $5,014 to $22,998, a $17,985 spread on the same certified stone. Brilliant Earth lists it at $22,998. 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

15.65
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle31.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627413256
Dimensions14.80 × 14.01 × 8.74 mm
L/W Ratio1.06
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
14.80 mm14.01 mm15.65 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627413256
Side View
Table 62.0%Crown 39.7°Girdle: MED-THKPavilion 31.2°Culet: NoneDepth 62.4%

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: $22,998 SGD|Low: $5,012 SGD|High: $24,584 SGD|Avg: $11,422 SGD|-3.0%
Brilliant Earth
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
November 1, 2026
Retailer 7$5,014 SGD
Retailer 3$6,026 SGD
Retailer 14$6,242 SGD
Retailer 5$6,593 SGD
Retailer 9$7,274 SGD
Retailer 12$7,493 SGD
Retailer 10$9,662 SGD
Retailer 13$9,663 SGD
Retailer 8$10,106 SGD
Retailer 2$11,771 SGD
Retailer 11$15,198 SGD
Retailer 4$17,342 SGD
Retailer 6$22,214 SGD
Brilliant Earth$22,998 SGD

36 data points across 14 retailers

14 retailers$5,014 SGD to $22,998 SGD

A
Cheapest Retailer
-
$5,014 SGD
£3,088 GBP
A
Retailer 2
-
$6,026 SGD
$4,714 USD
View
Final sale: no returns
Retailer 3
-
$6,242 SGD
$4,883 USD
View
Price last confirmed 20 days ago
A
Retailer 4
-
$6,593 SGD
$5,157 USD
View
A
Retailer 5
-
$7,274 SGD
$5,690 USD
View
A
Retailer 6
-
$7,493 SGD
$5,861 USD
View
A
Retailer 7
-
$9,662 SGD
ZAR 122,097 ZAR
View
B+
Retailer 8
-
$9,663 SGD
$7,559 USD
View
A
Retailer 9
-
$10,106 SGD
€7,529 EUR
View
B+
Retailer 10
-
$11,771 SGD
A$14,165 AUD
View
B+
Retailer 11
-
$15,198 SGD
$11,888 USD
View
B
Retailer 12
-
$17,342 SGD
$13,565 USD
View
B
Retailer 13
-
$22,214 SGD
$17,376 USD
View
Most Expensive
B
Brilliant Earth
20602619A · Oct 31
$22,998 SGD
$17,990 USD
View
13 more retailers have this diamond
Prices start from $5,014 SGDSave up to $17,985 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
15.65ct Cushion
$5,014 SGD