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Round|Lab Grown|IGI

1.28ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG778645614

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778645614

Diamond specifications and retailer prices

From $317 SGD
$248 USD
As of October 30, 2026
Save $2,540 SGD (89%) vs most expensive(unlock to see where)
22 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 LG778645614 or 778645614. Listed at 22 retailers as of October 27, 2026, with prices from $317 to $2,857, a $2,540 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 angle34.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778645614
Dimensions6.93 × 6.98 × 4.29 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
6.93 mm6.98 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778645614
Side View
Table 57.0%Crown 34.3°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.7%

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 30
Current: $1,406 SGD|Low: $225 SGD|High: $1,422 SGD|Avg: $710 SGD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 2$317 SGD
Retailer 3$350 SGD
Retailer 11$473 SGD
Retailer 7$603 SGD
Retailer 6$636 SGD
Retailer 5$651 SGD
Retailer 12$663 SGD
Retailer 4$672 SGD
Retailer 8$858 SGD
Retailer 9$913 SGD
Retailer 10$1,342 SGD
Retailer 1$1,406 SGD

40 data points across 12 retailers

22 retailers$317 SGD to $2,857 SGD

Retailer 1
-
$271 SGD
$212 USD
Price last confirmed 31 days ago
A
Retailer 2
-
$317 SGD
$248 USD
View
Final sale: no returns
Retailer 3
-
$329 SGD
$257 USD
View
Price last confirmed 26 days ago
Retailer 4
-
$350 SGD
$274 USD
View
Price last confirmed 30 days ago
A
Retailer 5
-
$393 SGD
HK$2,400 HKD
View
B+
Retailer 6
-
$473 SGD
$370 USD
View
A
Retailer 7
-
$603 SGD
ZAR 7,614 ZAR
View
A
Retailer 8
-
$636 SGD
€474 EUR
View
A
Retailer 9
-
$651 SGD
£401 GBP
View
B+
Retailer 10
-
$663 SGD
$519 USD
View
B+
Retailer 11
-
$672 SGD
$526 USD
View
B+
Retailer 12
-
$858 SGD
A$1,032 AUD
View
B+
Retailer 13
-
$913 SGD
$714 USD
View
Retailer 14
-
$1,103 SGD
$863 USD
View
Price last confirmed 90 days ago
Retailer 15
-
$1,128 SGD
$882 USD
View
Price last confirmed 32 days ago
B
Retailer 16
-
$1,137 SGD
View
B
Retailer 17
-
$1,195 SGD
$935 USD
View
B
Retailer 18
-
$1,208 SGD
$945 USD
View
Retailer 19
-
$1,342 SGD
$1,050 USD
View
Price last confirmed 16 days ago
B+
Retailer 20
-
$1,406 SGD
£866 GBP
View
B
Retailer 21
-
$1,613 SGD
$1,261 USD
View
Most Expensive
B
Queensmith
LG778645614 · Oct 27
$2,857 SGD
£1,760 GBP
View
21 more retailers have this diamond
Prices start from $317 SGDSave up to $2,540 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
$317 SGD