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Round|Lab Grown|IGI

0.66ct F VVS1 Round Lab Grown Diamond

ID • F/VVS1 • IGI LG818669551

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818669551

Diamond specifications and retailer prices

From $108 USD
As of November 1, 2026
Save $1,008 USD (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,116 USD at MOH London · As of November 1, 2026
View at MOH London

About this 0.66ct lab-grown round diamond

This 0.66ct lab-grown round sits in the half to three-quarter carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818669551 or 818669551. Listed at 21 retailers as of November 1, 2026, with prices from $108 to $1,116, a $1,008 spread on the same certified stone. MOH London lists it at $1,116. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.66
Carat
F
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818669551
Dimensions5.54 × 5.61 × 3.42 mm
L/W Ratio1.01
Girdle conditionFaceted
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
5.54 mm5.61 mm0.66 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818669551
Side View
Table 59.0%Crown 35.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.5%

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: $1,116 USD|Low: $104 USD|High: $1,171 USD|Avg: $314 USD|-3.5%
MOH London
Retailer 2
Retailer 3
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Retailer 5
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
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Retailer 18
November 2, 2026
Retailer 17$108 USD
Retailer 15$120 USD
Retailer 3$125 USD
Retailer 5$142 USD
Retailer 6$142 USD
Retailer 16$175 USD
Retailer 8$238 USD
Retailer 14$243 USD
Retailer 11$246 USD
Retailer 12$266 USD
Retailer 4$266 USD
Retailer 2$315 USD
Retailer 13$341 USD
Retailer 10$360 USD
Retailer 18$404 USD
Retailer 7$430 USD
Retailer 9$488 USD
MOH London$1,116 USD

43 data points across 18 retailers

21 retailers$108 USD to $1,116 USD

A
Cheapest Retailer
-
$108 USD
A
Retailer 2
-
$120 USD
View
Final sale: no returns
A
Retailer 3
-
$125 USD
View
Retailer 4
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$142 USD
View
Price last confirmed 8 days ago
A
Retailer 5
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$142 USD
View
Retailer 6
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$147 USD
View
Price last confirmed 57 days ago
A
Retailer 7
-
$175 USD
View
A
Retailer 8
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$238 USD
View
A
Retailer 9
-
$243 USD
ZAR 3,923 ZAR
View
A
Retailer 10
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$246 USD
€234 EUR
View
A
Retailer 11
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$266 USD
£209 GBP
View
A
Retailer 12
-
$266 USD
View
B+
Retailer 13
-
$315 USD
View
B+
Retailer 14
-
$341 USD
A$524 AUD
View
B+
Retailer 15
-
$360 USD
View
Retailer 16
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$360 USD
View
Price last confirmed 35 days ago
B+
Retailer 17
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$388 USD
SGD 524 SGD
View
B+
Retailer 18
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$404 USD
View
B+
Retailer 19
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$430 USD
View
B
Retailer 20
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$488 USD
View
Most Expensive
B
MOH London
LG818669551 · Nov 1
$1,116 USD
£879 GBP
View
20 more retailers have this diamond
Prices start from $108 USDSave up to $1,008 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 Round
$108 USD