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Round|Lab Grown|IGI

6.51ct H VS2 Round Lab Grown Diamond

ID • H/VS2 • IGI LG581318483

Shape and cutting style on the report: Round brilliant

Certificate IGI LG581318483

Diamond specifications and retailer prices

From €875 EUR
$977 USD
As of October 29, 2026
Save €3,144 EUR (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €4,019 EUR at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 6.51ct lab-grown round diamond

This 6.51ct 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 LG581318483 or 581318483. Listed at 16 retailers as of October 29, 2026, with prices from €875 to €4,019, a €3,144 spread on the same certified stone. Blue Nile lists it at €4,019. 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

6.51
Carat
H
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG581318483
Dimensions12.04 × 11.98 × 7.39 mm
L/W Ratio1.01
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
12.04 mm11.98 mm6.51 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG581318483
Side View
Table 56.0%Crown 35.2°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.5%

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 29
Current: €4,019 EUR|Low: €583 EUR|High: €4,718 EUR|Avg: €2,021 EUR|+0.1%
Blue Nile
Retailer 2
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Retailer 4
Retailer 5
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 18
October 31, 2026
Retailer 9€816 EUR
Retailer 3€875 EUR
Retailer 12€951 EUR
Retailer 15€1,015 EUR
Retailer 17€1,015 EUR
Retailer 11€1,173 EUR
Retailer 4€1,445 EUR
Retailer 2€1,454 EUR
Retailer 16€1,517 EUR
Retailer 6€1,623 EUR
Retailer 18€1,902 EUR
Retailer 5€2,153 EUR
Retailer 13€2,187 EUR
Retailer 14€3,459 EUR
Retailer 7€3,534 EUR
Retailer 8€4,001 EUR
Blue Nile€4,019 EUR
Retailer 10€4,718 EUR

33 data points across 18 retailers

16 retailers€875 EUR to €4,019 EUR

A
Cheapest Retailer
-
€875 EUR
$977 USD
A
Retailer 2
-
€951 EUR
$1,063 USD
View
Retailer 3
-
€1,015 EUR
$1,134 USD
View
Price last confirmed 14 days ago
A
Retailer 4
-
€1,015 EUR
$1,134 USD
View
A
Retailer 5
-
€1,173 EUR
$1,310 USD
View
B+
Retailer 6
-
€1,445 EUR
$1,614 USD
View
A
Retailer 7
-
€1,454 EUR
View
Retailer 8
-
€1,517 EUR
£1,334 GBP
View
Price last confirmed 14 days ago
B+
Retailer 9
-
€1,623 EUR
$1,813 USD
View
B+
Retailer 10
-
€1,902 EUR
$2,125 USD
View
B+
Retailer 11
-
€2,153 EUR
$2,405 USD
View
B+
Retailer 12
-
€2,187 EUR
$2,443 USD
View
B
Retailer 13
-
€3,459 EUR
£3,043 GBP
View
Retailer 14
-
€3,534 EUR
$3,949 USD
View
Price last confirmed 13 days ago
B
Retailer 15
-
€4,001 EUR
$4,470 USD
View
Most Expensive
B
Blue Nile
25247267 · Oct 31
€4,019 EUR
$4,490 USD
View
15 more retailers have this diamond
Prices start from €875 EURSave up to €3,144 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
6.51ct Round
€875 EUR