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Radiant|Lab Grown|IGI

6.57ct G VS1 Radiant Lab Grown Diamond

EX • G/VS1 • IGI LG618416602

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

Certificate IGI LG618416602

Diamond specifications and retailer prices

From €1,387 EUR
$1,550 USD
As of October 31, 2026
Save €2,577 EUR (65%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €3,964 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 6.57ct lab-grown radiant diamond

This 6.57ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG618416602 or 618416602. Listed at 15 retailers as of October 31, 2026, with prices from €1,387 to €3,964, a €2,577 spread on the same certified stone. MOH London lists it at €3,964. 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

6.57
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618416602
Dimensions13.08 × 9.33 × 6.19 mm
L/W Ratio1.40
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
13.08 mm9.33 mm6.57 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618416602
Side View
Table 63.0%Crown 43.3°Girdle: MediumPavilion 35.1°Culet: NoneDepth 66.3%

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 31
Current: €3,964 EUR|Low: €1,387 EUR|High: €4,017 EUR|Avg: €2,541 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 4€1,387 EUR
Retailer 2€1,790 EUR
Retailer 7€1,958 EUR
Retailer 3€2,286 EUR
Retailer 5€2,387 EUR
Retailer 9€2,442 EUR
Retailer 8€2,974 EUR
Retailer 6€3,541 EUR
MOH London€3,964 EUR

41 data points across 9 retailers

15 retailers€1,387 EUR to €3,964 EUR

Retailer 1
-
€1,063 EUR
$1,188 USD
Price last confirmed 24 days ago
Retailer 2
-
€1,157 EUR
$1,293 USD
View
Price last confirmed 35 days ago
Retailer 3
-
€1,233 EUR
$1,378 USD
View
Price last confirmed 29 days ago
Retailer 4
-
€1,233 EUR
$1,378 USD
View
Price last confirmed 22 days ago
A
Retailer 5
-
€1,387 EUR
$1,550 USD
View
A
Retailer 6
-
€1,790 EUR
£1,575 GBP
View
B+
Retailer 7
-
€1,958 EUR
$2,188 USD
View
B+
Retailer 8
-
€2,286 EUR
A$3,929 AUD
View
Retailer 9
-
€2,312 EUR
$2,583 USD
View
Price last confirmed 32 days ago
B+
Retailer 10
-
€2,363 EUR
$2,640 USD
View
B+
Retailer 11
-
€2,387 EUR
ZAR 43,086 ZAR
View
B+
Retailer 12
-
€2,442 EUR
$2,728 USD
View
B+
Retailer 13
-
€2,974 EUR
£2,616 GBP
View
B
Retailer 14
-
€3,541 EUR
$3,956 USD
View
Most Expensive
B
MOH London
LG618416602 · Nov 1
€3,964 EUR
£3,487 GBP
View
14 more retailers have this diamond
Prices start from €1,387 EURSave up to €2,577 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
6.57ct Radiant
€1,387 EUR