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Cushion|Lab Grown|IGI

3.70ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG517200632

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG517200632

Diamond specifications and retailer prices

From $4,220 USD
As of October 29, 2026
11 retailers carry this diamond
Most expensive: $32,364 USD at Cape Diamonds · As of October 29, 2026
View at Cape Diamonds

About this 3.7ct lab-grown cushion diamond

This 3.7ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG517200632 or 517200632. Listed at 11 retailers as of October 29, 2026. 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

3.70
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG517200632
Dimensions8.77 × 8.42 × 5.73 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
8.77 mm8.42 mm3.70 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG517200632
Side View
Table 61.5%Crown 35.4°Girdle: STK-THKPavilion 35.1°Culet: NoneDepth 68.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $32,364 USD|Low: $4,220 USD|High: $36,443 USD|Avg: $19,733 USD|-7.5%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 7$4,220 USD
Retailer 3$12,779 USD
Retailer 9$13,457 USD
Retailer 6$13,937 USD
Retailer 8$14,863 USD
Retailer 2$16,298 USD
Retailer 10$19,964 USD
Retailer 4$21,010 USD
Retailer 5$32,076 USD
Cape Diamonds$32,364 USD
Retailer 11$36,443 USD

36 data points across 11 retailers

11 retailers

B
Cheapest Retailer
-
$4,220 USD
Retailer 2
-
$12,779 USD
View
Price under review
Most Expensive
Cape Diamonds
cert_517200632 · Oct 29
$32,364 USD
ZAR 522,841 ZAR
View
Price under review
2 more retailers have this diamond
Prices start from $4,220 USD

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
3.70ct Cushion
$4,220 USD