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Round|Lab Grown|IGI

1.66ct F VVS1 Round Lab Grown Diamond

ID • F/VVS1 • IGI LG628407159

Shape and cutting style on the report: Round brilliant

Certificate IGI LG628407159

Diamond specifications and retailer prices

From $243 USD
As of November 1, 2026
Save $2,097 USD (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,340 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.66ct lab-grown round diamond

This 1.66ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG628407159 or 628407159. Listed at 12 retailers as of November 1, 2026, with prices from $243 to $2,340, a $2,097 spread on the same certified stone. Do Amore Diamonds lists it at $2,340. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
F
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628407159
Dimensions7.64 × 7.67 × 4.60 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
7.64 mm7.67 mm1.66 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628407159
Side View
Table 60.0%Crown 33.3°Girdle: MED-MEDPavilion 40.9°Culet: NoneDepth 60.1%

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: $2,340 USD|Low: $213 USD|High: $2,360 USD|Avg: $1,002 USD|+1.7%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 18
November 2, 2026
Retailer 17$243 USD
Retailer 3$275 USD
Retailer 16$282 USD
Retailer 15$508 USD
Retailer 2$510 USD
Retailer 5$619 USD
Retailer 8$666 USD
Retailer 10$741 USD
Retailer 12$775 USD
Retailer 7$858 USD
Retailer 4$905 USD
Retailer 13$973 USD
Retailer 14$1,071 USD
Retailer 11$1,335 USD
Retailer 6$1,336 USD
Retailer 18$1,750 USD
Retailer 9$2,250 USD
Do Amore Diamonds$2,340 USD

40 data points across 18 retailers

12 retailers$243 USD to $2,340 USD

A
Cheapest Retailer
-
$243 USD
A
Retailer 2
-
$275 USD
View
Final sale: no returns
A
Retailer 3
-
$282 USD
View
A
Retailer 4
-
$508 USD
View
A
Retailer 5
-
$510 USD
£401 GBP
View
B+
Retailer 6
-
$775 USD
A$1,192 AUD
View
B
Retailer 7
-
$973 USD
View
B+
Retailer 8
-
$1,071 USD
View
B
Retailer 9
-
$1,335 USD
£1,051 GBP
View
B
Retailer 10
-
$1,750 USD
View
B
Retailer 11
-
$2,250 USD
View
Most Expensive
B
Do Amore Diamonds
27-5E3D1B4F6 · Nov 2
$2,340 USD
View
11 more retailers have this diamond
Prices start from $243 USDSave up to $2,097 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
1.66ct Round
$243 USD