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Round|Lab Grown|IGI

1.28ct D VVS2 Round Lab Grown Diamond

ID • D/VVS2 • IGI LG818644925

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818644925

Diamond specifications and retailer prices

From $258 SGD
As of November 5, 2026
Save $1,273 SGD (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,790 SGD at Queensmith · As of October 27, 2026
View at Queensmith

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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818644925 or 818644925. Listed at 23 retailers as of November 4, 2026, with a 494% 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
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818644925
Dimensions6.97 × 7.00 × 4.22 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
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
6.97 mm7.00 mm1.28 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818644925
Side View
Table 60.0%Crown 34.2°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.4%

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 5
Current: $521 SGD|Low: $248 SGD|High: $1,511 SGD|Avg: $621 SGD|-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
November 5, 2026
Retailer 14$258 SGD
Retailer 5$299 SGD
Retailer 2$319 SGD
Retailer 13$319 SGD
Retailer 6$432 SGD
Retailer 1$521 SGD
Retailer 8$536 SGD
Retailer 12$552 SGD
Retailer 7$580 SGD
Retailer 10$779 SGD
Retailer 11$834 SGD
Retailer 3$1,028 SGD
Retailer 4$1,252 SGD
Retailer 9$1,494 SGD

35 data points across 14 retailers

23 retailers$258 SGD to $1,531 SGD

A
Cheapest Retailer
-
$258 SGD
A
Retailer 2
-
$289 SGD
View
Final sale: no returns
A
Retailer 3
-
$299 SGD
View
A
Retailer 4
-
$319 SGD
View
Retailer 5
-
$319 SGD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$359 SGD
View
B+
Retailer 7
-
$432 SGD
View
A
Retailer 8
-
$521 SGD
View
A
Retailer 9
-
$536 SGD
View
A
Retailer 10
-
$552 SGD
View
A
Retailer 11
-
$580 SGD
View
A
Retailer 12
-
$591 SGD
View
B+
Retailer 13
-
$636 SGD
View
B+
Retailer 14
-
$779 SGD
View
B+
Retailer 15
-
$834 SGD
View
B+
Retailer 16
-
$1,028 SGD
View
B
Retailer 17
-
$1,040 SGD
View
B
Retailer 18
-
$1,086 SGD
View
B
Retailer 19
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$1,096 SGD
View
B
Retailer 20
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$1,252 SGD
View
B
Retailer 21
-
$1,494 SGD
View
B
Retailer 22
-
$1,531 SGD
View
Most Expensive
Queensmith
LG818644925 · Oct 27
$2,790 SGD
£1,720 GBP
View
Price last confirmed 9 days ago
22 more retailers have this diamond
Prices start from $258 SGDSave up to $1,273 SGD

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
$258 SGD