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Cushion|Lab Grown|IGI

3.57ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG604380907

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG604380907

Diamond specifications and retailer prices

From $902 USD
As of October 30, 2026
Save $2,648 USD (75%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,550 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.57ct lab-grown cushion diamond

This 3.57ct 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 LG604380907 or 604380907. Listed at 15 retailers as of October 29, 2026, with prices from $902 to $3,550, a $2,648 spread on the same certified stone. Brilliant Earth lists it at $3,550. 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

3.57
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.3°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG604380907
Dimensions10.42 × 8.29 × 5.44 mm
L/W Ratio1.26
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
10.42 mm8.29 mm3.57 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG604380907
Side View
Table 65.0%Crown 29.3°Girdle: MED-THKPavilion 39.8°Culet: NoneDepth 65.6%

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 30
Current: $3,550 USD|Low: $496 USD|High: $3,620 USD|Avg: $1,367 USD|-1.9%
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
Retailer 15
Retailer 16
October 31, 2026
Retailer 6$519 USD
Retailer 14$576 USD
Retailer 15$644 USD
Retailer 3$902 USD
Retailer 13$905 USD
Retailer 10$915 USD
Retailer 2$955 USD
Retailer 16$969 USD
Retailer 9$1,217 USD
Retailer 4$1,245 USD
Retailer 12$1,250 USD
Retailer 5$1,882 USD
Retailer 7$2,038 USD
Retailer 11$2,127 USD
Retailer 8$2,155 USD
Brilliant Earth$3,550 USD

39 data points across 16 retailers

15 retailers$902 USD to $3,550 USD

Retailer 1
-
$576 USD
Price last confirmed 14 days ago
Retailer 2
-
$644 USD
£507 GBP
View
Price last confirmed 14 days ago
B+
Retailer 3
-
$902 USD
View
A
Retailer 4
-
$905 USD
View
A
Retailer 5
-
$915 USD
€871 EUR
View
A
Retailer 6
-
$955 USD
£752 GBP
View
A
Retailer 7
-
$969 USD
View
A
Retailer 8
-
$1,217 USD
A$1,872 AUD
View
A
Retailer 9
-
$1,245 USD
View
A
Retailer 10
-
$1,250 USD
ZAR 20,200 ZAR
View
B+
Retailer 11
-
$1,882 USD
View
Retailer 12
-
$2,038 USD
View
Price last confirmed 20 days ago
B+
Retailer 13
-
$2,127 USD
£1,675 GBP
View
B+
Retailer 14
-
$2,155 USD
View
Most Expensive
B
Brilliant Earth
8376496A · Oct 29
$3,550 USD
View
14 more retailers have this diamond
Prices start from $902 USDSave up to $2,648 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
3.57ct Cushion
$902 USD