Radiant|Lab Grown|IGI

7.86ct E VVS1 Radiant Lab Grown Diamond

ID • E/VVS1 • IGI LG838608171

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG838608171

Diamond specifications and retailer prices

From $3,902 USD
As of October 29, 2026
Save $16,468 USD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $20,370 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 7.86ct lab-grown radiant diamond

This 7.86ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG838608171 or 838608171. Listed at 18 retailers as of October 29, 2026, with prices from $3,902 to $20,370, a $16,468 spread on the same certified stone. Brilliant Earth lists it at $20,370. 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

7.86
Carat
E
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.4°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838608171
Dimensions14.30 × 9.55 × 6.44 mm
L/W Ratio1.50
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.30 mm9.55 mm7.86 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838608171
Side View
Table 68.0%Crown 41.4°Girdle: Slightly ThickPavilion 34.3°Culet: NoneDepth 67.4%

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: $20,370 USD|Low: $3,902 USD|High: $20,622 USD|Avg: $9,885 USD|+8.4%
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 3$3,902 USD
Retailer 4$4,175 USD
Retailer 18$4,807 USD
Retailer 2$5,370 USD
Retailer 16$5,544 USD
Retailer 13$5,788 USD
Retailer 14$6,127 USD
Retailer 6$6,157 USD
Retailer 11$7,258 USD
Retailer 15$7,517 USD
Retailer 12$8,655 USD
Retailer 9$10,185 USD
Retailer 17$10,448 USD
Retailer 10$12,377 USD
Retailer 5$14,131 USD
Retailer 8$14,198 USD
Retailer 7$19,885 USD
Brilliant Earth$20,370 USD

37 data points across 18 retailers

18 retailers$3,902 USD to $20,370 USD

A
Cheapest Retailer
-
$3,902 USD
Final sale: no returns
A
Retailer 2
-
$4,175 USD
View
Retailer 3
-
$4,807 USD
£3,785 GBP
View
Price last confirmed 14 days ago
B+
Retailer 4
-
$5,370 USD
£4,228 GBP
View
B+
Retailer 5
-
$5,544 USD
View
B+
Retailer 6
-
$5,788 USD
View
Retailer 7
-
$6,127 USD
€5,835 EUR
View
Price last confirmed 7 days ago
B+
Retailer 8
-
$6,157 USD
£4,848 GBP
View
B+
Retailer 9
-
$7,258 USD
ZAR 117,248 ZAR
View
Retailer 10
-
$7,517 USD
A$11,565 AUD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$8,655 USD
£6,815 GBP
View
B
Retailer 12
-
$10,185 USD
View
B+
Retailer 13
-
$10,448 USD
View
Retailer 14
-
$12,377 USD
A$19,041 AUD
View
Price last confirmed 22 days ago
B
Retailer 15
-
$14,131 USD
View
B
Retailer 16
-
$14,198 USD
SGD 19,186 SGD
View
B
Retailer 17
-
$19,885 USD
View
Most Expensive
B
Brilliant Earth
21567407A · Oct 29
$20,370 USD
View
17 more retailers have this diamond
Prices start from $3,902 USDSave up to $16,468 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
7.86ct Radiant
$3,902 USD