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Radiant|Lab Grown|IGI

0.66ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG668447661

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

Certificate IGI LG668447661

Diamond specifications and retailer prices

From $171 USD
As of November 2, 2026
Save $1,469 USD (90%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $1,640 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 0.66ct lab-grown radiant diamond

This 0.66ct lab-grown radiant sits in the half to three-quarter carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG668447661 or 668447661. Listed at 25 retailers as of November 2, 2026, with prices from $171 to $1,640, a $1,469 spread on the same certified stone. Do Amore Diamonds lists it at $1,640. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.66
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668447661
Dimensions6.30 × 4.34 × 2.94 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.30 mm4.34 mm0.66 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668447661
Side View
Table 61.0%Crown 37.5°Girdle: MediumPavilion 34.9°Culet: NoneDepth 67.7%

Caratlytics Score

How it works →
A+
Exceptional
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 2
Current: $1,640 USD|Low: $171 USD|High: $1,640 USD|Avg: $510 USD
Do Amore Diamonds
Retailer 2
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Retailer 22
November 2, 2026
Retailer 22$171 USD
Retailer 9$190 USD
Retailer 21$198 USD
Retailer 6$211 USD
Retailer 12$233 USD
Retailer 20$290 USD
Retailer 7$333 USD
Retailer 5$335 USD
Retailer 16$375 USD
Retailer 13$420 USD
Retailer 17$424 USD
Retailer 19$435 USD
Retailer 3$438 USD
Retailer 2$595 USD
Retailer 4$718 USD
Retailer 8$750 USD
Retailer 14$780 USD
Retailer 15$804 USD
Retailer 11$804 USD
Retailer 18$1,091 USD
Retailer 10$1,101 USD
Do Amore Diamonds$1,640 USD

38 data points across 22 retailers

25 retailers$171 USD to $1,640 USD

A+
Cheapest Retailer
-
$171 USD
A
Retailer 2
-
$190 USD
View
Final sale: no returns
A
Retailer 3
-
$198 USD
View
A
Retailer 4
-
$211 USD
View
Retailer 5
-
$233 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$290 USD
View
A
Retailer 7
-
$333 USD
HK$2,600 HKD
View
A
Retailer 8
-
$335 USD
View
A
Retailer 9
-
$375 USD
View
A
Retailer 10
-
$420 USD
£331 GBP
View
A
Retailer 11
-
$424 USD
ZAR 6,853 ZAR
View
B+
Retailer 12
-
$435 USD
€414 EUR
View
A
Retailer 13
-
$438 USD
View
B+
Retailer 14
-
$595 USD
A$915 AUD
View
B+
Retailer 15
-
$718 USD
View
B+
Retailer 16
-
$750 USD
View
Retailer 17
-
$780 USD
View
Price last confirmed 8 days ago
Retailer 18
-
$780 USD
View
Price last confirmed 16 days ago
B
Retailer 19
-
$804 USD
View
B
Retailer 20
-
$804 USD
SGD 1,087 SGD
View
B
Retailer 21
-
$1,091 USD
£859 GBP
View
B
Retailer 22
-
$1,101 USD
View
B
Retailer 23
-
$1,168 USD
£920 GBP
View
Retailer 24
-
$1,219 USD
£960 GBP
View
Price last confirmed 11 days ago
Most Expensive
B
Do Amore Diamonds
27-55A654480 · Nov 2
$1,640 USD
View
24 more retailers have this diamond
Prices start from $171 USDSave up to $1,469 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
$171 USD