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Round|Lab Grown|IGI

1.28ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG816607508

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816607508

Diamond specifications and retailer prices

From $283 SGD
$221 USD
As of November 1, 2026
Save $2,575 SGD (90%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,857 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG816607508 or 816607508. Listed at 23 retailers as of October 27, 2026, with prices from $283 to $2,857, a $2,575 spread on the same certified stone. Queensmith lists it at $2,857. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816607508
Dimensions6.90 × 6.94 × 4.33 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
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
6.90 mm6.94 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816607508
Side View
Table 57.0%Crown 34.8°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.5%

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 1
Current: $2,857 SGD|Low: $283 SGD|High: $2,857 SGD|Avg: $866 SGD
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 23
November 1, 2026
Retailer 4$283 SGD
Retailer 14$317 SGD
Retailer 8$329 SGD
Retailer 5$350 SGD
Retailer 23$350 SGD
Retailer 3$393 SGD
Retailer 10$473 SGD
Retailer 17$556 SGD
Retailer 19$579 SGD
Retailer 2$606 SGD
Retailer 18$651 SGD
Retailer 9$663 SGD
Retailer 7$672 SGD
Retailer 21$858 SGD
Retailer 20$913 SGD
Retailer 22$1,055 SGD
Retailer 6$1,128 SGD
Retailer 15$1,137 SGD
Retailer 12$1,195 SGD
Retailer 16$1,208 SGD
Retailer 13$1,406 SGD
Retailer 11$1,613 SGD
Queensmith$2,857 SGD

25 data points across 23 retailers

23 retailers$283 SGD to $2,857 SGD

A
Cheapest Retailer
-
$283 SGD
$221 USD
A
Retailer 2
-
$317 SGD
$248 USD
View
Final sale: no returns
A
Retailer 3
-
$329 SGD
$257 USD
View
A
Retailer 4
-
$350 SGD
$274 USD
View
Retailer 5
-
$350 SGD
$274 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$393 SGD
HK$2,400 HKD
View
B+
Retailer 7
-
$473 SGD
$370 USD
View
A
Retailer 8
-
$556 SGD
£343 GBP
View
A
Retailer 9
-
$579 SGD
€431 EUR
View
A
Retailer 10
-
$606 SGD
ZAR 7,652 ZAR
View
A
Retailer 11
-
$651 SGD
£401 GBP
View
B+
Retailer 12
-
$663 SGD
$519 USD
View
B+
Retailer 13
-
$672 SGD
$526 USD
View
B+
Retailer 14
-
$858 SGD
A$1,032 AUD
View
B+
Retailer 15
-
$913 SGD
$714 USD
View
Retailer 16
-
$1,055 SGD
$825 USD
View
Price last confirmed 18 days ago
B
Retailer 17
-
$1,128 SGD
$882 USD
View
B
Retailer 18
-
$1,137 SGD
View
B
Retailer 19
-
$1,195 SGD
$935 USD
View
B
Retailer 20
-
$1,208 SGD
$945 USD
View
B+
Retailer 21
-
$1,406 SGD
£866 GBP
View
B
Retailer 22
-
$1,613 SGD
$1,261 USD
View
Most Expensive
B
Queensmith
LG816607508 · Oct 27
$2,857 SGD
£1,760 GBP
View
22 more retailers have this diamond
Prices start from $283 SGDSave up to $2,575 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
$283 SGD