Radiant|Lab Grown|IGI

0.66ct F VVS2 Radiant Lab Grown Diamond

GD • F/VVS2 • IGI LG655421608

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

Certificate IGI LG655421608

Diamond specifications and retailer prices

From $138 USD
As of November 2, 2026
Save $761 USD (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $899 USD at Flawless Fine Jewelry · As of November 2, 2026
View at Flawless Fine Jewelry

About this 0.66ct lab-grown radiant diamond

This 0.66ct lab-grown radiant sits in the half to three-quarter carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a standard cut grade and certified by IGI LG655421608 or 655421608. Listed at 21 retailers as of November 2, 2026, with prices from $138 to $899, a $761 spread on the same certified stone. Flawless Fine Jewelry lists it at $899. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.66
Carat
F
Color
VVS2
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle42.6°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG655421608
Dimensions6.56 × 4.41 × 2.68 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.56 mm4.41 mm0.66 ctF / VVS2
OriginLab Grown
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG655421608
Side View
Table 74.0%Crown 42.6°Girdle: MED-STKPavilion 33.4°Culet: NoneDepth 60.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: $899 USD|Low: $129 USD|High: $899 USD|Avg: $375 USD
Flawless Fine Jewelry
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
November 2, 2026
Retailer 15$138 USD
Retailer 7$154 USD
Retailer 5$160 USD
Retailer 3$171 USD
Retailer 6$171 USD
Retailer 13$210 USD
Retailer 8$291 USD
Retailer 14$296 USD
Retailer 9$310 USD
Retailer 12$372 USD
Retailer 11$380 USD
Retailer 2$436 USD
Retailer 4$549 USD
Retailer 10$798 USD
Flawless Fine Jewelry$899 USD

43 data points across 15 retailers

21 retailers$138 USD to $899 USD

A
Cheapest Retailer
-
$138 USD
B+
Retailer 2
-
$154 USD
View
Final sale: no returns
B+
Retailer 3
-
$160 USD
View
Retailer 4
-
$171 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$171 USD
View
B+
Retailer 6
-
$192 USD
HK$1,500 HKD
View
B+
Retailer 7
-
$200 USD
View
B+
Retailer 8
-
$210 USD
View
B+
Retailer 9
-
$232 USD
View
B+
Retailer 10
-
$291 USD
£229 GBP
View
B+
Retailer 11
-
$296 USD
€282 EUR
View
B+
Retailer 12
-
$310 USD
ZAR 5,009 ZAR
View
B
Retailer 13
-
$372 USD
£293 GBP
View
B+
Retailer 14
-
$380 USD
View
B
Retailer 15
-
$436 USD
View
B
Retailer 16
-
$474 USD
SGD 641 SGD
View
B
Retailer 17
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$541 USD
View
B
Retailer 18
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$549 USD
View
B
Retailer 19
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$604 USD
View
B
Retailer 20
-
$798 USD
£628 GBP
View
Most Expensive
C
Flawless Fine Jewelry
DDCA9D25C · Nov 2
$899 USD
£708 GBP
View
20 more retailers have this diamond
Prices start from $138 USDSave up to $761 USD

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
0.66ct Radiant
$138 USD