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Cushion|Lab Grown|IGI

3.70ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG579359268

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG579359268

Diamond specifications and retailer prices

From $804 USD
As of October 29, 2026
Save $5,576 USD (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,670 USD at Do Amore Diamonds · As of October 21, 2026
View at Do Amore 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 LG579359268 or 579359268. Listed at 16 retailers as of October 29, 2026, with a 694% 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

3.70
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG579359268
Dimensions9.12 × 8.88 × 5.85 mm
L/W Ratio1.03
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
9.12 mm8.88 mm3.70 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG579359268
Side View
Table 63.0%Crown 37.1°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 65.9%

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 29
Current: $1,010 USD|Low: $804 USD|High: $4,580 USD|Avg: $1,870 USD|+21.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 2$804 USD
Retailer 10$834 USD
Retailer 1$1,010 USD
Retailer 5$1,098 USD
Retailer 4$1,177 USD
Retailer 12$1,236 USD
Retailer 6$1,411 USD
Retailer 9$2,076 USD
Retailer 8$2,137 USD
Retailer 3$2,865 USD
Retailer 7$3,468 USD
Retailer 11$4,580 USD

43 data points across 12 retailers

16 retailers$804 USD to $6,380 USD

A
Cheapest Retailer
-
$804 USD
Final sale: no returns
Retailer 2
-
$834 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$1,010 USD
View
A
Retailer 4
-
$1,083 USD
View
A
Retailer 5
-
$1,098 USD
£865 GBP
View
A
Retailer 6
-
$1,177 USD
View
A
Retailer 7
-
$1,236 USD
View
A
Retailer 8
-
$1,411 USD
£1,111 GBP
View
Retailer 9
-
$2,076 USD
A$3,194 AUD
View
Price last confirmed 10 days ago
B+
Retailer 10
-
$2,137 USD
ZAR 34,517 ZAR
View
B+
Retailer 11
-
$2,825 USD
View
B+
Retailer 12
-
$2,865 USD
£2,256 GBP
View
B
Retailer 13
-
$3,288 USD
View
B
Retailer 14
-
$3,468 USD
£2,731 GBP
View
B
Retailer 15
-
$6,380 USD
View
Most Expensive
Do Amore Diamonds
23-579359268 · Oct 21
$6,670 USD
View
Price last confirmed 11 days ago
15 more retailers have this diamond
Prices start from $804 USDSave up to $5,576 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.

A
3.70ct Cushion
$804 USD