Round|Lab Grown|IGI

1.28ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG775631915

Shape and cutting style on the report: Round brilliant

Certificate IGI LG775631915

Diamond specifications and retailer prices

From $274 USD
As of October 25, 2026
Save $1,349 USD (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,880 USD at Do Amore Diamonds · As of October 31, 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 D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG775631915 or 775631915. Listed at 23 retailers as of October 25, 2026, with a 492% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG775631915
Dimensions6.99 × 7.02 × 4.27 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.99 mm7.02 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG775631915
Side View
Table 57.0%Crown 33.5°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.9%

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: Oct 25
Current: $2,880 USD|Low: $268 USD|High: $2,880 USD|Avg: $850 USD
Do Amore Diamonds
Retailer 2
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Retailer 21
October 30, 2026
Retailer 7$274 USD
Retailer 6$325 USD
Retailer 14$363 USD
Retailer 3$377 USD
Retailer 4$403 USD
Retailer 20$425 USD
Retailer 19$555 USD
Retailer 13$641 USD
Retailer 9$651 USD
Retailer 10$653 USD
Retailer 8$656 USD
Retailer 18$692 USD
Retailer 15$718 USD
Retailer 17$978 USD
Retailer 2$1,030 USD
Retailer 21$1,295 USD
Retailer 12$1,339 USD
Retailer 11$1,451 USD
Retailer 5$1,490 USD
Retailer 16$1,623 USD
Do Amore Diamonds$2,880 USD

29 data points across 21 retailers

23 retailers$274 USD to $1,623 USD

A
Cheapest Retailer
-
$274 USD
A
Retailer 2
-
$325 USD
View
A
Retailer 3
-
$363 USD
View
Final sale: no returns
A
Retailer 4
-
$377 USD
View
A
Retailer 5
-
$403 USD
View
A
Retailer 6
-
$425 USD
View
B+
Retailer 7
-
$555 USD
View
B+
Retailer 8
-
$641 USD
£505 GBP
View
B+
Retailer 9
-
$651 USD
View
B+
Retailer 10
-
$653 USD
View
B+
Retailer 11
-
$692 USD
ZAR 11,181 ZAR
View
B+
Retailer 12
-
$718 USD
£565 GBP
View
Retailer 13
-
$914 USD
View
Price last confirmed 83 days ago
B
Retailer 14
-
$978 USD
A$1,505 AUD
View
B
Retailer 15
-
$1,030 USD
View
B
Retailer 16
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$1,181 USD
View
B
Retailer 17
-
$1,295 USD
View
B
Retailer 18
-
$1,339 USD
View
Retailer 19
-
$1,437 USD
A$2,211 AUD
View
Price last confirmed 95 days ago
B
Retailer 20
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$1,451 USD
View
B
Retailer 21
-
$1,490 USD
View
B
Retailer 22
-
$1,623 USD
£1,278 GBP
View
Most Expensive
Do Amore Diamonds
27-60B7367FE · Oct 31
$2,880 USD
View
Price under review
22 more retailers have this diamond
Prices start from $274 USDSave up to $1,349 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
$274 USD