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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 €2,128 EUR
£1,880 GBP
As of November 2, 2026
Save €8,544 EUR (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €10,672 EUR 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 €2,128 to €10,672, a €8,544 spread on the same certified stone. Brilliant Earth lists it at €10,672. 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
Colour
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

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €10,672 EUR|Low: €2,111 EUR|High: €16,548 EUR|Avg: €5,541 EUR|-35.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 2€2,128 EUR
Retailer 5€2,165 EUR
Retailer 4€2,310 EUR
Retailer 7€3,572 EUR
Retailer 3€4,322 EUR
Retailer 8€5,327 EUR
Retailer 9€5,434 EUR
Retailer 6€7,345 EUR
Brilliant Earth€10,672 EUR

32 data points across 9 retailers

9 retailers€2,128 EUR to €10,672 EUR

B+
Cheapest Retailer
-
€2,128 EUR
£1,880 GBP
B+
Retailer 2
-
€2,165 EUR
$2,428 USD
View
B+
Retailer 3
-
€2,310 EUR
View
B+
Retailer 4
-
€3,572 EUR
$4,006 USD
View
B+
Retailer 5
-
€4,322 EUR
£3,817 GBP
View
B
Retailer 6
-
€5,327 EUR
$5,975 USD
View
Retailer 7
-
€5,434 EUR
$6,095 USD
View
Price last confirmed 15 days ago
B
Retailer 8
-
€7,345 EUR
$8,238 USD
View
Most Expensive
B
Brilliant Earth
21664317A · Nov 1
€10,672 EUR
$11,970 USD
View
8 more retailers have this diamond
Prices start from €2,128 EURSave up to €8,544 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.

B+
5.66ct Round
€2,128 EUR