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Radiant|Lab Grown|IGI

6.61ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG592319644

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

Certificate IGI LG592319644

Diamond specifications and retailer prices

From €835 EUR
$936 USD
As of November 1, 2026
Save €4,274 EUR (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €5,109 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 6.61ct lab-grown radiant diamond

This 6.61ct 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 LG592319644 or 592319644. Listed at 18 retailers as of October 31, 2026, with prices from €835 to €5,109, a €4,274 spread on the same certified stone. Brilliant Earth lists it at €5,109. 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

6.61
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.8°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG592319644
Dimensions13.38 × 9.15 × 6.26 mm
L/W Ratio1.46
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
13.38 mm9.15 mm6.61 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG592319644
Side View
Table 65.0%Crown 45.8°Girdle: MediumPavilion 35.7°Culet: NoneDepth 68.4%

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: Nov 1
Current: €5,109 EUR|Low: €824 EUR|High: €5,109 EUR|Avg: €2,043 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 2, 2026
Retailer 4€835 EUR
Retailer 9€854 EUR
Retailer 14€1,021 EUR
Retailer 17€1,320 EUR
Retailer 2€1,329 EUR
Retailer 6€1,393 EUR
Retailer 11€1,423 EUR
Retailer 12€1,602 EUR
Retailer 13€1,673 EUR
Retailer 15€1,988 EUR
Retailer 16€2,351 EUR
Retailer 3€2,706 EUR
Retailer 7€2,731 EUR
Retailer 5€2,996 EUR
Retailer 8€3,069 EUR
Retailer 10€3,242 EUR
Brilliant Earth€5,109 EUR

40 data points across 17 retailers

18 retailers€835 EUR to €5,109 EUR

Retailer 1
-
€802 EUR
$899 USD
Price last confirmed 35 days ago
A
Retailer 2
-
€835 EUR
$936 USD
View
Final sale: no returns
Retailer 3
-
€843 EUR
$945 USD
View
Price last confirmed 36 days ago
A
Retailer 4
-
€1,021 EUR
$1,145 USD
View
A
Retailer 5
-
€1,320 EUR
$1,481 USD
View
A
Retailer 6
-
€1,329 EUR
£1,173 GBP
View
B+
Retailer 7
-
€1,393 EUR
$1,562 USD
View
A
Retailer 8
-
€1,423 EUR
View
A
Retailer 9
-
€1,602 EUR
A$2,765 AUD
View
A
Retailer 10
-
€1,673 EUR
ZAR 30,318 ZAR
View
A
Retailer 11
-
€1,988 EUR
$2,230 USD
View
B+
Retailer 12
-
€2,351 EUR
$2,637 USD
View
B+
Retailer 13
-
€2,706 EUR
$3,035 USD
View
Retailer 14
-
€2,731 EUR
£2,412 GBP
View
Price last confirmed 22 days ago
B+
Retailer 15
-
€2,996 EUR
$3,360 USD
View
Retailer 16
-
€3,069 EUR
$3,442 USD
View
Price last confirmed 22 days ago
B+
Retailer 17
-
€3,242 EUR
£2,863 GBP
View
Most Expensive
B
Brilliant Earth
7810756A · Oct 31
€5,109 EUR
$5,730 USD
View
17 more retailers have this diamond
Prices start from €835 EURSave up to €4,274 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
6.61ct Radiant
€835 EUR