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Marquise|Lab Grown|IGI

1.28ct D VVS1 Marquise Lab Grown Diamond

ID • D/VVS1 • IGI LG837672605

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837672605

Diamond specifications and retailer prices

From $285 SGD
As of November 4, 2026
Save $1,602 SGD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,285 SGD at Helzberg Diamonds · As of October 13, 2026
View at Helzberg Diamonds

About this 1.28ct lab-grown marquise diamond

This 1.28ct lab-grown marquise 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 LG837672605 or 837672605. Listed at 22 retailers as of November 4, 2026, with a 562% 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837672605
Dimensions11.44 × 5.55 × 3.50 mm
L/W Ratio2.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.44 mm5.55 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837672605
Side View
Table 60.0%Crown 37.5°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 63.1%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $652 SGD|Low: $285 SGD|High: $1,902 SGD|Avg: $849 SGD|-0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 5, 2026
Retailer 16$285 SGD
Retailer 15$319 SGD
Retailer 19$331 SGD
Retailer 3$354 SGD
Retailer 11$358 SGD
Retailer 12$403 SGD
Retailer 18$475 SGD
Retailer 13$576 SGD
Retailer 6$612 SGD
Retailer 1$652 SGD
Retailer 8$763 SGD
Retailer 10$827 SGD
Retailer 5$868 SGD
Retailer 17$1,137 SGD
Retailer 21$1,141 SGD
Retailer 2$1,204 SGD
Retailer 20$1,219 SGD
Retailer 14$1,406 SGD
Retailer 7$1,422 SGD
Retailer 9$1,434 SGD
Retailer 4$1,887 SGD

21 data points across 21 retailers

22 retailers$285 SGD to $1,887 SGD

A+
Cheapest Retailer
-
$285 SGD
A
Retailer 2
-
$319 SGD
View
Final sale: no returns
A
Retailer 3
-
$331 SGD
View
A
Retailer 4
-
$354 SGD
View
Retailer 5
-
$358 SGD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$403 SGD
View
B+
Retailer 7
-
$475 SGD
View
Retailer 8
-
$576 SGD
View
Price last confirmed 9 days ago
A
Retailer 9
-
$612 SGD
View
A
Retailer 10
-
$652 SGD
View
A
Retailer 11
-
$763 SGD
View
A
Retailer 12
-
$827 SGD
View
B+
Retailer 13
-
$868 SGD
View
B+
Retailer 14
-
$1,137 SGD
View
B+
Retailer 15
-
$1,141 SGD
View
B+
Retailer 16
-
$1,204 SGD
View
B+
Retailer 17
-
$1,219 SGD
View
Retailer 18
-
$1,406 SGD
View
Price last confirmed 8 days ago
B+
Retailer 19
-
$1,422 SGD
View
B
Retailer 20
-
$1,434 SGD
View
B
Retailer 21
-
$1,887 SGD
View
Most Expensive
Helzberg Diamonds
ZXZOJNMNIMGL · Oct 13
$2,285 SGD
$1,788 USD
View
Price last confirmed 22 days ago
21 more retailers have this diamond
Prices start from $285 SGDSave up to $1,602 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 Marquise
$285 SGD