Round|Lab Grown|IGI

1.28ct F VVS1 Round Lab Grown Diamond

ID • F/VVS1 • IGI LG840632302

Shape and cutting style on the report: Round brilliant

Certificate IGI LG840632302

Diamond specifications and retailer prices

From $174 USD
As of November 5, 2026
Save $1,496 USD (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,670 USD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 1.28ct lab-grown round diamond

This 1.28ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG840632302 or 840632302. Listed at 15 retailers as of November 5, 2026, with prices from $174 to $1,670, a $1,496 spread on the same certified stone. Do Amore Diamonds lists it at $1,670. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
F
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840632302
Dimensions6.99 × 7.03 × 4.24 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.99 mm7.03 mm1.28 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840632302
Side View
Table 60.0%Crown 33.7°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.6%

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 5
Current: $1,670 USD|Low: $174 USD|High: $1,890 USD|Avg: $671 USD|-11.6%
Do Amore Diamonds
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 6, 2026
Retailer 10$174 USD
Retailer 13$202 USD
Retailer 12$221 USD
Retailer 11$258 USD
Retailer 8$297 USD
Retailer 2$409 USD
Retailer 6$492 USD
Retailer 15$590 USD
Retailer 5$659 USD
Retailer 14$704 USD
Retailer 3$707 USD
Retailer 9$766 USD
Retailer 7$830 USD
Retailer 4$1,080 USD
Do Amore Diamonds$1,670 USD

8 data points across 15 retailers

15 retailers$174 USD to $1,670 USD

A
Cheapest Retailer
-
$174 USD
A
Retailer 2
-
$202 USD
View
A
Retailer 3
-
$221 USD
View
Final sale: no returns
A
Retailer 4
-
$258 USD
View
B+
Retailer 5
-
$297 USD
View
A
Retailer 6
-
$409 USD
View
B+
Retailer 7
-
$492 USD
View
B+
Retailer 8
-
$590 USD
View
B+
Retailer 9
-
$659 USD
View
B+
Retailer 10
-
$704 USD
View
B+
Retailer 11
-
$707 USD
View
B+
Retailer 12
-
$766 USD
View
B
Retailer 13
-
$830 USD
View
B
Retailer 14
-
$1,080 USD
View
Most Expensive
B
Do Amore Diamonds
27-D513CF941 · Nov 6
$1,670 USD
View
14 more retailers have this diamond
Prices start from $174 USDSave up to $1,496 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
1.28ct Round
$174 USD