Round|Lab Grown|IGI

5.66ct D VVS2 Round Lab Grown Diamond

EX • D/VVS2 • IGI LG839668255

Shape and cutting style on the report: Round brilliant

Certificate IGI LG839668255

Diamond specifications and retailer prices

From $2,367 USD
£1,864 GBP
As of November 1, 2026
Save $9,603 USD (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $11,970 USD at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 5.66ct lab-grown round diamond

This 5.66ct lab-grown round sits in the over five carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG839668255 or 839668255. Listed at 9 retailers as of November 1, 2026, with prices from $2,367 to $11,970, a $9,603 spread on the same certified stone. Brilliant Earth lists it at $11,970. 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

5.66
Carat
D
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839668255
Dimensions11.44 × 11.52 × 6.94 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.44 mm11.52 mm5.66 ctD / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839668255
Side View
Table 62.0%Crown 32.7°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.4%

Caratlytics Score

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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: Nov 1
Current: $11,970 USD|Low: $2,367 USD|High: $18,560 USD|Avg: $6,248 USD|-35.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 3$2,367 USD
Retailer 5$2,428 USD
Retailer 4$2,591 USD
Retailer 7$4,006 USD
Retailer 2$4,848 USD
Retailer 8$5,975 USD
Retailer 9$6,095 USD
Retailer 6$8,238 USD
Brilliant Earth$11,970 USD

31 data points across 9 retailers

9 retailers$2,367 USD to $11,970 USD

A
Cheapest Retailer
-
$2,367 USD
£1,864 GBP
B+
Retailer 2
-
$2,428 USD
View
B+
Retailer 3
-
$2,591 USD
€2,468 EUR
View
B+
Retailer 4
-
$4,006 USD
View
B+
Retailer 5
-
$4,848 USD
£3,817 GBP
View
B
Retailer 6
-
$5,975 USD
View
Retailer 7
-
$6,095 USD
View
Price last confirmed 14 days ago
B
Retailer 8
-
$8,238 USD
View
Most Expensive
B
Brilliant Earth
21664317A · Nov 1
$11,970 USD
View
8 more retailers have this diamond
Prices start from $2,367 USDSave up to $9,603 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
5.66ct Round
$2,367 USD