Cushion|Lab Grown|IGI

8.70ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG842631317

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG842631317

Diamond specifications and retailer prices

From $3,646 USD
As of October 31, 2026
Save $15,710 USD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $19,356 USD at Adiamor · As of October 31, 2026
View at Adiamor

About this 8.7ct lab-grown cushion diamond

This 8.7ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG842631317 or 842631317. Listed at 14 retailers as of October 31, 2026, with prices from $3,646 to $19,356, a $15,710 spread on the same certified stone. Adiamor lists it at $19,356. 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

8.70
Carat
D
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842631317
Dimensions14.85 × 10.38 × 6.72 mm
L/W Ratio1.43
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.85 mm10.38 mm8.70 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842631317
Side View
Table 66.0%Crown 39°Girdle: STK-THKPavilion 34.3°Culet: NoneDepth 64.7%

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 31
Current: $19,356 USD|Low: $3,646 USD|High: $19,510 USD|Avg: $7,684 USD|-0.8%
Adiamor
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
October 31, 2026
Retailer 7$3,646 USD
Retailer 6$3,929 USD
Retailer 9$3,930 USD
Retailer 11$4,501 USD
Retailer 8$4,977 USD
Retailer 4$5,455 USD
Retailer 2$5,739 USD
Retailer 10$5,745 USD
Retailer 13$6,348 USD
Retailer 5$7,113 USD
Retailer 3$9,028 USD
Retailer 14$9,648 USD
Retailer 12$13,201 USD
Adiamor$19,356 USD

22 data points across 14 retailers

14 retailers$3,646 USD to $19,356 USD

A
Cheapest Retailer
-
$3,646 USD
Final sale: no returns
Retailer 2
-
$3,929 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
$3,930 USD
View
A
Retailer 4
-
$4,501 USD
£3,544 GBP
View
A
Retailer 5
-
$4,977 USD
£3,919 GBP
View
A
Retailer 6
-
$5,455 USD
View
B+
Retailer 7
-
$5,739 USD
€5,466 EUR
View
B+
Retailer 8
-
$5,745 USD
£4,524 GBP
View
B+
Retailer 9
-
$6,348 USD
ZAR 102,550 ZAR
View
Retailer 10
-
$7,113 USD
A$10,943 AUD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$9,028 USD
View
B+
Retailer 12
-
$9,648 USD
£7,597 GBP
View
B
Retailer 13
-
$13,201 USD
View
Most Expensive
B
Adiamor
D-82549743 · Oct 31
$19,356 USD
View
13 more retailers have this diamond
Prices start from $3,646 USDSave up to $15,710 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
8.70ct Cushion
$3,646 USD