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Round|Lab Grown|IGI

1.28ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG843654471

Shape and cutting style on the report: Round brilliant

Certificate IGI LG843654471

Diamond specifications and retailer prices

From $238 USD
As of November 3, 2026
Save $996 USD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,234 USD at Reve Diamonds · As of November 1, 2026
View at Reve 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 LG843654471 or 843654471. Listed at 15 retailers as of November 1, 2026, with prices from $238 to $1,234, a $996 spread on the same certified stone. Reve Diamonds lists it at $1,234. 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 angle34.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843654471
Dimensions6.99 × 6.95 × 4.32 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
6.99 mm6.95 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843654471
Side View
Table 56.0%Crown 34.5°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.0%

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 3
Current: $487 USD|Low: $238 USD|High: $1,249 USD|Avg: $638 USD|+1.9%
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
Reve Diamonds
November 3, 2026
Retailer 6$238 USD
Retailer 13$294 USD
Retailer 14$355 USD
Retailer 10$418 USD
Retailer 9$435 USD
Retailer 11$455 USD
Retailer 1$487 USD
Retailer 5$524 USD
Retailer 12$640 USD
Retailer 8$645 USD
Retailer 2$867 USD
Retailer 4$901 USD
Retailer 3$915 USD
Retailer 7$1,057 USD
Reve Diamonds$1,234 USD

20 data points across 15 retailers

15 retailers$238 USD to $1,234 USD

A
Cheapest Retailer
-
$238 USD
Final sale: no returns
A
Retailer 2
-
$294 USD
HK$2,300 HKD
View
B+
Retailer 3
-
$355 USD
View
A
Retailer 4
-
$418 USD
£329 GBP
View
A
Retailer 5
-
$435 USD
€414 EUR
View
A
Retailer 6
-
$455 USD
ZAR 7,357 ZAR
View
A
Retailer 7
-
$487 USD
£383 GBP
View
B+
Retailer 8
-
$524 USD
View
B+
Retailer 9
-
$640 USD
View
B+
Retailer 10
-
$645 USD
A$992 AUD
View
B+
Retailer 11
-
$867 USD
SGD 1,171 SGD
View
B+
Retailer 12
-
$901 USD
View
B+
Retailer 13
-
$915 USD
View
B
Retailer 14
-
$1,057 USD
£832 GBP
View
Most Expensive
B
Reve Diamonds
2E377DA40 · Nov 1
$1,234 USD
View
14 more retailers have this diamond
Prices start from $238 USDSave up to $996 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
$238 USD