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Round|Lab Grown|IGI

8.51ct H VS2 Round Lab Grown Diamond

ID • H/VS2 • IGI LG610311857

Shape and cutting style on the report: Round brilliant

Certificate IGI LG610311857

Diamond specifications and retailer prices

From €1,423 EUR
$1,590 USD
As of October 31, 2026
Save €3,813 EUR (73%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €5,236 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 8.51ct lab-grown round diamond

This 8.51ct lab-grown round sits in the over five carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG610311857 or 610311857. Listed at 15 retailers as of October 31, 2026, with prices from €1,423 to €5,236, a €3,813 spread on the same certified stone. Brilliant Earth lists it at €5,236. 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

8.51
Carat
H
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG610311857
Dimensions13.24 × 13.21 × 7.95 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
13.24 mm13.21 mm8.51 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG610311857
Side View
Table 58.0%Crown 33.9°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.1%

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: Oct 31
Current: €5,236 EUR|Low: €1,037 EUR|High: €5,397 EUR|Avg: €2,652 EUR|-3.0%
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
November 1, 2026
Retailer 5€1,037 EUR
Retailer 4€1,128 EUR
Retailer 7€1,186 EUR
Retailer 17€1,269 EUR
Retailer 11€1,423 EUR
Retailer 13€1,753 EUR
Retailer 12€1,974 EUR
Retailer 16€2,012 EUR
Retailer 10€2,094 EUR
Retailer 6€2,254 EUR
Retailer 14€2,432 EUR
Retailer 15€3,529 EUR
Retailer 2€4,079 EUR
Retailer 8€4,147 EUR
Retailer 9€4,244 EUR
Retailer 3€4,450 EUR
Brilliant Earth€5,236 EUR

28 data points across 17 retailers

15 retailers€1,423 EUR to €5,236 EUR

Retailer 1
-
€1,037 EUR
$1,158 USD
Price last confirmed 39 days ago
Retailer 2
-
€1,128 EUR
$1,260 USD
View
Price last confirmed 39 days ago
Retailer 3
-
€1,186 EUR
$1,325 USD
View
Price last confirmed 35 days ago
Retailer 4
-
€1,269 EUR
$1,418 USD
View
Price last confirmed 21 days ago
A
Retailer 5
-
€1,423 EUR
$1,590 USD
View
A
Retailer 6
-
€1,753 EUR
$1,958 USD
View
Retailer 7
-
€1,974 EUR
£1,736 GBP
View
Price last confirmed 15 days ago
B+
Retailer 8
-
€2,012 EUR
$2,248 USD
View
B+
Retailer 9
-
€2,094 EUR
View
Retailer 10
-
€2,254 EUR
$2,518 USD
View
Price last confirmed 34 days ago
B+
Retailer 11
-
€2,432 EUR
$2,717 USD
View
B
Retailer 12
-
€3,529 EUR
$3,943 USD
View
B
Retailer 13
-
€4,079 EUR
£3,588 GBP
View
Retailer 14
-
€4,450 EUR
$4,972 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Brilliant Earth
8644958A · Oct 31
€5,236 EUR
$5,850 USD
View
14 more retailers have this diamond
Prices start from €1,423 EURSave up to €3,813 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
8.51ct Round
€1,423 EUR