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Radiant|Lab Grown|IGI

6.63ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG591346732

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

Certificate IGI LG591346732

Diamond specifications and retailer prices

From €840 EUR
$939 USD
As of October 31, 2026
Save €4,306 EUR (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €5,147 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 6.63ct lab-grown radiant diamond

This 6.63ct 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 LG591346732 or 591346732. Listed at 19 retailers as of October 31, 2026, with prices from €840 to €5,147, a €4,306 spread on the same certified stone. Brilliant Earth lists it at €5,147. 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

6.63
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591346732
Dimensions13.38 × 9.17 × 6.22 mm
L/W Ratio1.46
Culet sizePointed
Top View
13.38 mm9.17 mm6.63 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591346732
Side View
Table 65.0%Crown 43.3°Girdle: MediumPavilion 35.7°Culet: NoneDepth 67.8%

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: €5,147 EUR|Low: €830 EUR|High: €5,147 EUR|Avg: €2,058 EUR
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 15€840 EUR
Retailer 9€997 EUR
Retailer 13€1,029 EUR
Retailer 2€1,327 EUR
Retailer 3€1,328 EUR
Retailer 6€1,402 EUR
Retailer 10€1,432 EUR
Retailer 11€1,613 EUR
Retailer 12€1,685 EUR
Retailer 16€2,001 EUR
Retailer 17€2,374 EUR
Retailer 4€2,725 EUR
Retailer 7€2,756 EUR
Retailer 5€3,017 EUR
Retailer 8€3,089 EUR
Retailer 14€3,268 EUR
Brilliant Earth€5,147 EUR

38 data points across 17 retailers

19 retailers€840 EUR to €5,147 EUR

Retailer 1
-
€806 EUR
$901 USD
Price last confirmed 34 days ago
A
Retailer 2
-
€840 EUR
$939 USD
View
Final sale: no returns
Retailer 3
-
€849 EUR
$948 USD
View
Price last confirmed 35 days ago
Retailer 4
-
€997 EUR
$1,114 USD
View
Price last confirmed 21 days ago
A
Retailer 5
-
€1,029 EUR
$1,150 USD
View
A
Retailer 6
-
€1,327 EUR
£1,167 GBP
View
A
Retailer 7
-
€1,328 EUR
$1,484 USD
View
B+
Retailer 8
-
€1,402 EUR
$1,566 USD
View
A
Retailer 9
-
€1,432 EUR
View
A
Retailer 10
-
€1,613 EUR
A$2,773 AUD
View
A
Retailer 11
-
€1,685 EUR
ZAR 30,407 ZAR
View
A
Retailer 12
-
€2,001 EUR
$2,236 USD
View
B+
Retailer 13
-
€2,374 EUR
$2,652 USD
View
B+
Retailer 14
-
€2,725 EUR
$3,044 USD
View
Retailer 15
-
€2,756 EUR
£2,424 GBP
View
Price last confirmed 21 days ago
B+
Retailer 16
-
€3,017 EUR
$3,371 USD
View
Retailer 17
-
€3,089 EUR
$3,451 USD
View
Price last confirmed 21 days ago
B+
Retailer 18
-
€3,268 EUR
£2,875 GBP
View
Most Expensive
B
Brilliant Earth
7752978A · Oct 31
€5,147 EUR
$5,750 USD
View
18 more retailers have this diamond
Prices start from €840 EURSave up to €4,306 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
6.63ct Radiant
€840 EUR