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Cushion|Lab Grown|IGI

3.97ct G VVS1 Cushion Lab Grown Diamond

EX • G/VVS1 • IGI LG817625659

Certificate IGI LG817625659

Diamond specifications and retailer prices

From $1,077 USD
As of November 2, 2026
Save $6,461 USD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $8,100 USD at Brilliant Earth · As of September 23, 2026
View at Brilliant Earth

About this 3.97ct lab-grown cushion diamond

This 3.97ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG817625659 or 817625659. Listed at 17 retailers as of November 2, 2026, with a 600% 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

3.97
Carat
G
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG817625659
Dimensions11.21 × 8.22 × 5.41 mm
L/W Ratio1.36
Top View
11.21 mm8.22 mm3.97 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817625659
Side View
Table 62.0%CrownGirdle: MediumPavilionCulet: NoneDepth 65.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $8,100 USD|Low: $1,017 USD|High: $8,100 USD|Avg: $3,553 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
Retailer 18
November 2, 2026
Retailer 17$1,077 USD
Retailer 18$1,480 USD
Retailer 2$1,568 USD
Retailer 12$1,757 USD
Retailer 3$1,787 USD
Retailer 15$2,159 USD
Retailer 16$2,515 USD
Retailer 13$2,594 USD
Retailer 4$2,985 USD
Retailer 11$3,057 USD
Retailer 7$3,685 USD
Retailer 10$3,910 USD
Retailer 14$4,396 USD
Retailer 9$4,558 USD
Retailer 6$5,293 USD
Retailer 5$6,350 USD
Retailer 8$7,538 USD
Brilliant Earth$8,100 USD

28 data points across 18 retailers

17 retailers$1,077 USD to $7,538 USD

A
Cheapest Retailer
-
$1,077 USD
A
Retailer 2
-
$1,480 USD
View
A
Retailer 3
-
$1,568 USD
€1,493 EUR
View
A
Retailer 4
-
$1,581 USD
View
A
Retailer 5
-
$1,787 USD
View
B+
Retailer 6
-
$2,159 USD
View
B+
Retailer 7
-
$2,515 USD
View
B+
Retailer 8
-
$2,594 USD
CA$3,602 CAD
View
B+
Retailer 9
-
$2,985 USD
View
B+
Retailer 10
-
$3,057 USD
£2,407 GBP
View
B
Retailer 11
-
$3,685 USD
View
B
Retailer 12
-
$4,396 USD
View
Retailer 13
-
$4,558 USD
View
Price last confirmed 54 days ago
B
Retailer 14
-
$5,293 USD
View
B
Retailer 15
-
$6,350 USD
View
B
Retailer 16
-
$7,538 USD
View
Most Expensive
Brilliant Earth
20973901A · Sep 23
$8,100 USD
View
Price last confirmed 40 days ago
16 more retailers have this diamond
Prices start from $1,077 USDSave up to $6,461 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
3.97ct Cushion
$1,077 USD