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Round|Lab Grown|IGI

1.28ct F VVS1 Round Lab Grown Diamond

EX • F/VVS1 • IGI LG837621900

Shape and cutting style on the report: Round brilliant

Certificate IGI LG837621900

Diamond specifications and retailer prices

From $281 USD
As of November 6, 2026
Save $1,340 USD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,621 USD at Yadav Diamonds · As of November 6, 2026
View at Yadav 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 LG837621900 or 837621900. Listed at 20 retailers as of November 6, 2026, with prices from $281 to $1,621, a $1,340 spread on the same certified stone. Yadav Diamonds lists it at $1,621. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837621900
Dimensions7.17 × 7.12 × 4.20 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
7.17 mm7.12 mm1.28 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837621900
Side View
Table 58.0%Crown 31.7°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 58.8%

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 6
Current: $408 USD|Low: $268 USD|High: $1,621 USD|Avg: $677 USD|+3.0%
Retailer 1
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
Yadav Diamonds
November 6, 2026
Retailer 3$281 USD
Retailer 13$325 USD
Retailer 1$408 USD
Retailer 8$434 USD
Retailer 7$441 USD
Retailer 14$516 USD
Retailer 12$579 USD
Retailer 11$588 USD
Retailer 10$600 USD
Retailer 4$796 USD
Retailer 2$828 USD
Retailer 5$829 USD
Retailer 6$940 USD
Retailer 9$1,123 USD
Yadav Diamonds$1,621 USD

41 data points across 15 retailers

20 retailers$281 USD to $1,621 USD

Retailer 1
-
$193 USD
Price last confirmed 27 days ago
Retailer 2
-
$224 USD
View
Price last confirmed 24 days ago
Retailer 3
-
$239 USD
View
Price last confirmed 30 days ago
Retailer 4
-
$239 USD
View
Price last confirmed 25 days ago
A
Retailer 5
-
$281 USD
View
B+
Retailer 6
-
$325 USD
View
A
Retailer 7
-
$408 USD
View
A
Retailer 8
-
$434 USD
View
B+
Retailer 9
-
$441 USD
View
B+
Retailer 10
-
$516 USD
View
B+
Retailer 11
-
$579 USD
View
B+
Retailer 12
-
$588 USD
View
B+
Retailer 13
-
$600 USD
View
Retailer 14
-
$768 USD
View
Price last confirmed 31 days ago
B
Retailer 15
-
$796 USD
View
B
Retailer 16
-
$828 USD
View
B
Retailer 17
-
$829 USD
View
B
Retailer 18
-
$940 USD
View
B
Retailer 19
-
$1,123 USD
View
Most Expensive
B
Yadav Diamonds
13337084 · Nov 6
$1,621 USD
View
19 more retailers have this diamond
Prices start from $281 USDSave up to $1,340 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
$281 USD