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Radiant|Lab Grown|IGI

6.56ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG585398307

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

Certificate IGI LG585398307

Diamond specifications and retailer prices

From €1,020 EUR
$1,140 USD
As of October 31, 2026
Save €4,064 EUR (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €5,084 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 6.56ct lab-grown radiant diamond

This 6.56ct 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 LG585398307 or 585398307. Listed at 18 retailers as of October 31, 2026, with prices from €1,020 to €5,084, a €4,064 spread on the same certified stone. Brilliant Earth lists it at €5,084. 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

6.56
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.5°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG585398307
Dimensions13.06 × 9.23 × 6.31 mm
L/W Ratio1.41
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
13.06 mm9.23 mm6.56 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG585398307
Side View
Table 66.0%Crown 41.5°Girdle: MED-STKPavilion 35.2°Culet: NoneDepth 68.4%

Caratlytics Score

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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: €5,084 EUR|Low: €822 EUR|High: €5,084 EUR|Avg: €2,142 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
Retailer 18
November 1, 2026
Retailer 7€832 EUR
Retailer 10€851 EUR
Retailer 15€1,020 EUR
Retailer 11€1,313 EUR
Retailer 3€1,318 EUR
Retailer 6€1,388 EUR
Retailer 12€1,417 EUR
Retailer 13€1,597 EUR
Retailer 14€1,667 EUR
Retailer 16€1,981 EUR
Retailer 18€2,326 EUR
Retailer 4€2,697 EUR
Retailer 8€2,728 EUR
Retailer 5€2,985 EUR
Retailer 9€3,062 EUR
Retailer 2€3,231 EUR
Retailer 17€3,876 EUR
Brilliant Earth€5,084 EUR

38 data points across 18 retailers

18 retailers€1,020 EUR to €5,084 EUR

Retailer 1
-
€798 EUR
$892 USD
Price last confirmed 35 days ago
Retailer 2
-
€840 EUR
$938 USD
View
Price last confirmed 35 days ago
A
Retailer 3
-
€1,020 EUR
$1,140 USD
View
A
Retailer 4
-
€1,313 EUR
£1,155 GBP
View
A
Retailer 5
-
€1,318 EUR
$1,472 USD
View
B+
Retailer 6
-
€1,388 EUR
$1,551 USD
View
A
Retailer 7
-
€1,417 EUR
View
A
Retailer 8
-
€1,597 EUR
A$2,745 AUD
View
A
Retailer 9
-
€1,667 EUR
ZAR 30,096 ZAR
View
A
Retailer 10
-
€1,981 EUR
$2,213 USD
View
B+
Retailer 11
-
€2,326 EUR
$2,599 USD
View
B+
Retailer 12
-
€2,697 EUR
$3,013 USD
View
Retailer 13
-
€2,728 EUR
£2,400 GBP
View
Price last confirmed 21 days ago
B+
Retailer 14
-
€2,985 EUR
$3,335 USD
View
Retailer 15
-
€3,062 EUR
$3,421 USD
View
Price last confirmed 21 days ago
B+
Retailer 16
-
€3,231 EUR
£2,842 GBP
View
B
Retailer 17
-
€3,876 EUR
$4,330 USD
View
Most Expensive
B
Brilliant Earth
7628194A · Oct 31
€5,084 EUR
$5,680 USD
View
17 more retailers have this diamond
Prices start from €1,020 EURSave up to €4,064 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
6.56ct Radiant
€1,020 EUR