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Round|Lab Grown|IGI

1.28ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG843603049

Shape and cutting style on the report: Round brilliant

Certificate IGI LG843603049

Diamond specifications and retailer prices

From $176 USD
As of November 5, 2026
Save $1,584 USD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,760 USD at Do Amore Diamonds · As of November 4, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843603049 or 843603049. Listed at 16 retailers as of November 4, 2026, with prices from $176 to $1,760, a $1,584 spread on the same certified stone. Do Amore Diamonds lists it at $1,760. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843603049
Dimensions6.92 × 6.98 × 4.25 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
6.92 mm6.98 mm1.28 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843603049
Side View
Table 59.0%Crown 35.4°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.1%

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 5
Current: $1,760 USD|Low: $176 USD|High: $1,820 USD|Avg: $605 USD|-3.3%
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
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Retailer 17
Retailer 18
Retailer 19
November 5, 2026
Retailer 12$176 USD
Retailer 14$205 USD
Retailer 19$212 USD
Retailer 8$243 USD
Retailer 13$258 USD
Retailer 4$399 USD
Retailer 16$431 USD
Retailer 17$475 USD
Retailer 6$484 USD
Retailer 3$610 USD
Retailer 18$653 USD
Retailer 7$670 USD
Retailer 5$718 USD
Retailer 10$720 USD
Retailer 11$732 USD
Retailer 9$753 USD
Retailer 2$774 USD
Retailer 15$1,167 USD
Do Amore Diamonds$1,760 USD

10 data points across 19 retailers

16 retailers$176 USD to $1,760 USD

A
Cheapest Retailer
-
$176 USD
A
Retailer 2
-
$205 USD
View
Final sale: no returns
A
Retailer 3
-
$212 USD
View
Retailer 4
-
$243 USD
View
Price last confirmed 28 days ago
A
Retailer 5
-
$258 USD
View
A
Retailer 6
-
$399 USD
View
A
Retailer 7
-
$431 USD
View
A
Retailer 8
-
$475 USD
View
B+
Retailer 9
-
$484 USD
View
B+
Retailer 10
-
$610 USD
View
B+
Retailer 11
-
$653 USD
View
B+
Retailer 12
-
$670 USD
View
B+
Retailer 13
-
$718 USD
View
B+
Retailer 14
-
$774 USD
View
B
Retailer 15
-
$1,167 USD
View
Most Expensive
B
Do Amore Diamonds
27-8413EFCD6 · Nov 4
$1,760 USD
View
15 more retailers have this diamond
Prices start from $176 USDSave up to $1,584 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
$176 USD