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Round|Lab Grown|IGI

1.28ct D VVS1 Round Lab Grown Diamond

EX • D/VVS1 • IGI LG778645702

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778645702

Diamond specifications and retailer prices

From $283 SGD
$221 USD
As of November 1, 2026
Save $2,510 SGD (90%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,793 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 LG778645702 or 778645702. Listed at 25 retailers as of October 27, 2026, with prices from $283 to $2,793, a $2,510 spread on the same certified stone. Queensmith lists it at $2,793. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778645702
Dimensions6.89 × 6.92 × 4.32 mm
L/W Ratio1.00
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
6.89 mm6.92 mm1.28 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778645702
Side View
Table 58.0%Crown 35.6°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.6%

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: $1,406 SGD|Low: $271 SGD|High: $1,624 SGD|Avg: $751 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 17$283 SGD
Retailer 7$317 SGD
Retailer 5$329 SGD
Retailer 3$350 SGD
Retailer 9$350 SGD
Retailer 2$473 SGD
Retailer 10$556 SGD
Retailer 13$603 SGD
Retailer 12$636 SGD
Retailer 11$651 SGD
Retailer 4$663 SGD
Retailer 14$858 SGD
Retailer 16$913 SGD
Retailer 6$1,128 SGD
Retailer 8$1,364 SGD
Retailer 1$1,406 SGD
Retailer 15$1,572 SGD

44 data points across 17 retailers

25 retailers$283 SGD to $2,793 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
Retailer 4
-
$350 SGD
$274 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$350 SGD
$274 USD
View
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
-
$603 SGD
ZAR 7,614 ZAR
View
A
Retailer 10
-
$636 SGD
€474 EUR
View
B+
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
B
Retailer 16
-
$1,128 SGD
$882 USD
View
Retailer 17
-
$1,133 SGD
$886 USD
View
Price last confirmed 97 days ago
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
-
$1,364 SGD
£840 GBP
View
B
Retailer 22
-
$1,406 SGD
£866 GBP
View
Retailer 23
-
$1,572 SGD
$1,230 USD
View
Price last confirmed 16 days ago
B
Retailer 24
-
$1,613 SGD
$1,261 USD
View
Most Expensive
B
Queensmith
LG778645702 · Oct 27
$2,793 SGD
£1,720 GBP
View
24 more retailers have this diamond
Prices start from $283 SGDSave up to $2,510 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