Radiant|Lab Grown|IGI

1.28ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG751511564

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG751511564

Diamond specifications and retailer prices

From $214 USD
As of November 4, 2026
Save $1,846 USD (90%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,060 USD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.28ct lab-grown radiant diamond

This 1.28ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG751511564 or 751511564. Listed at 19 retailers as of November 4, 2026, with prices from $214 to $2,060, a $1,846 spread on the same certified stone. Do Amore Diamonds lists it at $2,060. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.9°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG751511564
Dimensions7.93 × 5.31 × 3.59 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.93 mm5.31 mm1.28 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG751511564
Side View
Table 66.0%Crown 43.9°Girdle: MediumPavilion 35°Culet: NoneDepth 67.6%

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 4
Current: $2,060 USD|Low: $214 USD|High: $2,060 USD|Avg: $707 USD
Do Amore Diamonds
Retailer 2
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Retailer 22
November 5, 2026
Retailer 21$214 USD
Retailer 8$239 USD
Retailer 6$248 USD
Retailer 10$266 USD
Retailer 18$266 USD
Retailer 2$389 USD
Retailer 3$401 USD
Retailer 14$420 USD
Retailer 12$423 USD
Retailer 4$455 USD
Retailer 13$549 USD
Retailer 22$586 USD
Retailer 17$718 USD
Retailer 20$857 USD
Retailer 15$914 USD
Retailer 9$943 USD
Retailer 19$1,009 USD
Retailer 7$1,113 USD
Retailer 16$1,172 USD
Retailer 5$1,238 USD
Retailer 11$1,260 USD
Do Amore Diamonds$2,060 USD

23 data points across 22 retailers

19 retailers$214 USD to $2,060 USD

A
Cheapest Retailer
-
$214 USD
A
Retailer 2
-
$239 USD
View
Final sale: no returns
A
Retailer 3
-
$248 USD
View
A
Retailer 4
-
$266 USD
View
Retailer 5
-
$266 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$389 USD
View
A
Retailer 7
-
$401 USD
View
A
Retailer 8
-
$455 USD
View
B+
Retailer 9
-
$549 USD
View
B+
Retailer 10
-
$586 USD
View
Retailer 11
-
$717 USD
View
Price last confirmed 58 days ago
B+
Retailer 12
-
$718 USD
View
B
Retailer 13
-
$857 USD
View
B
Retailer 14
-
$943 USD
View
B
Retailer 15
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$1,009 USD
View
B
Retailer 16
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$1,113 USD
View
B
Retailer 17
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$1,172 USD
View
B
Retailer 18
-
$1,238 USD
View
Most Expensive
B
Do Amore Diamonds
27-83DA61BC3 · Nov 4
$2,060 USD
View
18 more retailers have this diamond
Prices start from $214 USDSave up to $1,846 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 Radiant
$214 USD