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Radiant|Lab Grown|IGI

6.55ct G VS1 Radiant Lab Grown Diamond

EX • G/VS1 • IGI LG820605403

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

Certificate IGI LG820605403

Diamond specifications and retailer prices

From €1,214 EUR
HK$10,600 HKD
As of November 1, 2026
Save €2,782 EUR (70%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €3,997 EUR at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 6.55ct lab-grown radiant diamond

This 6.55ct 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 LG820605403 or 820605403. Listed at 8 retailers as of October 28, 2026, with prices from €1,214 to €3,997, a €2,782 spread on the same certified stone. Rare Carat lists it at €3,997. 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

6.55
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG820605403
Dimensions13.14 × 9.46 × 6.12 mm
L/W Ratio1.39
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.14 mm9.46 mm6.55 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG820605403
Side View
Table 67.0%Crown 43.3°Girdle: MediumPavilion 34.2°Culet: NoneDepth 64.7%

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: Nov 1
Current: €3,997 EUR|Low: €1,169 EUR|High: €4,208 EUR|Avg: €2,393 EUR|-5.0%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 5€1,214 EUR
Retailer 2€1,581 EUR
Retailer 4€1,635 EUR
Retailer 6€1,639 EUR
Retailer 8€2,368 EUR
Retailer 3€3,476 EUR
Retailer 7€3,572 EUR
Rare Carat€3,997 EUR

41 data points across 8 retailers

8 retailers€1,214 EUR to €3,997 EUR

A
Cheapest Retailer
-
€1,214 EUR
HK$10,600 HKD
A
Retailer 2
-
€1,581 EUR
£1,391 GBP
View
A
Retailer 3
-
€1,635 EUR
View
B+
Retailer 4
-
€1,639 EUR
$1,831 USD
View
B+
Retailer 5
-
€2,368 EUR
$2,646 USD
View
B
Retailer 6
-
€3,476 EUR
£3,058 GBP
View
B
Retailer 7
-
€3,572 EUR
$3,990 USD
View
Most Expensive
B
Rare Carat
KI4036054KF820 · Oct 28
€3,997 EUR
$4,465 USD
View
7 more retailers have this diamond
Prices start from €1,214 EURSave up to €2,782 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
6.55ct Radiant
€1,214 EUR