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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 €964 EUR
$1,077 USD
As of November 1, 2026
Save €5,783 EUR (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €7,250 EUR 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 October 30, 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 1
Current: €7,250 EUR|Low: €910 EUR|High: €7,250 EUR|Avg: €3,178 EUR
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
Retailer 17
Retailer 18
October 31, 2026
Retailer 17€964 EUR
Retailer 18€1,325 EUR
Retailer 2€1,405 EUR
Retailer 12€1,573 EUR
Retailer 3€1,600 EUR
Retailer 15€1,932 EUR
Retailer 16€2,252 EUR
Retailer 13€2,321 EUR
Retailer 4€2,672 EUR
Retailer 11€2,754 EUR
Retailer 7€3,299 EUR
Retailer 10€3,500 EUR
Retailer 14€3,935 EUR
Retailer 9€4,080 EUR
Retailer 6€4,738 EUR
Retailer 5€5,684 EUR
Retailer 8€6,747 EUR
Brilliant Earth€7,250 EUR

27 data points across 18 retailers

17 retailers€964 EUR to €6,747 EUR

A
Cheapest Retailer
-
€964 EUR
$1,077 USD
A
Retailer 2
-
€1,325 EUR
$1,480 USD
View
A
Retailer 3
-
€1,405 EUR
View
A
Retailer 4
-
€1,415 EUR
$1,581 USD
View
A
Retailer 5
-
€1,600 EUR
$1,787 USD
View
B+
Retailer 6
-
€1,932 EUR
$2,159 USD
View
B+
Retailer 7
-
€2,252 EUR
$2,515 USD
View
B+
Retailer 8
-
€2,321 EUR
CA$3,602 CAD
View
B+
Retailer 9
-
€2,672 EUR
$2,985 USD
View
B+
Retailer 10
-
€2,754 EUR
£2,423 GBP
View
B
Retailer 11
-
€3,299 EUR
$3,685 USD
View
B
Retailer 12
-
€3,935 EUR
$4,396 USD
View
Retailer 13
-
€4,080 EUR
$4,558 USD
View
Price last confirmed 52 days ago
B
Retailer 14
-
€4,738 EUR
$5,293 USD
View
B
Retailer 15
-
€5,684 EUR
$6,350 USD
View
B
Retailer 16
-
€6,747 EUR
$7,538 USD
View
Most Expensive
Brilliant Earth
20973901A · Sep 23
€7,250 EUR
$8,100 USD
View
Price last confirmed 38 days ago
16 more retailers have this diamond
Prices start from €964 EURSave up to €5,783 EUR

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
€964 EUR