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Round|Lab Grown|IGI

1.28ct F VVS1 Round Lab Grown Diamond

ID • F/VVS1 • IGI LG780646223

Shape and cutting style on the report: Round brilliant

Certificate IGI LG780646223

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)
17 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 LG780646223 or 780646223. Listed at 17 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 angle34.2°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780646223
Dimensions6.92 × 6.94 × 4.28 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.92 mm6.94 mm1.28 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780646223
Side View
Table 60.0%Crown 34.2°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 61.8%

Caratlytics Score

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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: $619 USD|-11.6%
Do Amore Diamonds
Retailer 2
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Retailer 19
November 6, 2026
Retailer 16$174 USD
Retailer 2$195 USD
Retailer 18$202 USD
Retailer 17$258 USD
Retailer 14$297 USD
Retailer 12$396 USD
Retailer 9$404 USD
Retailer 13$409 USD
Retailer 8$492 USD
Retailer 10$514 USD
Retailer 4$590 USD
Retailer 5$659 USD
Retailer 19$704 USD
Retailer 6$707 USD
Retailer 15$766 USD
Retailer 11$804 USD
Retailer 7$830 USD
Retailer 3$1,076 USD
Do Amore Diamonds$1,670 USD

22 data points across 19 retailers

17 retailers$174 USD to $1,670 USD

A
Cheapest Retailer
-
$174 USD
A
Retailer 2
-
$195 USD
View
Final sale: no returns
A
Retailer 3
-
$202 USD
View
A
Retailer 4
-
$258 USD
View
Retailer 5
-
$268 USD
View
Price last confirmed 63 days ago
B+
Retailer 6
-
$297 USD
View
A
Retailer 7
-
$396 USD
View
A
Retailer 8
-
$409 USD
View
B+
Retailer 9
-
$492 USD
View
B+
Retailer 10
-
$590 USD
View
B+
Retailer 11
-
$659 USD
View
B+
Retailer 12
-
$704 USD
View
B+
Retailer 13
-
$707 USD
View
B+
Retailer 14
-
$766 USD
View
B
Retailer 15
-
$830 USD
View
B
Retailer 16
-
$1,076 USD
View
Most Expensive
B
Do Amore Diamonds
27-E63D3B6C0 · Nov 6
$1,670 USD
View
16 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