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Marquise|Lab Grown|IGI

1.30ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG851605435

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG851605435

Diamond specifications and retailer prices

From $324 SGD
As of November 4, 2026
Save $1,420 SGD (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,433 SGD at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.3ct lab-grown marquise diamond

This 1.3ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG851605435 or 851605435. Listed at 22 retailers as of November 4, 2026, with a 438% 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

1.30
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851605435
Dimensions11.37 × 5.72 × 3.55 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.37 mm5.72 mm1.30 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851605435
Side View
Table 62.0%Crown 33.1°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
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 4
Current: $2,433 SGD|Low: $324 SGD|High: $2,433 SGD|Avg: $944 SGD
Queensmith
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 5, 2026
Retailer 12$324 SGD
Retailer 7$363 SGD
Retailer 9$377 SGD
Retailer 3$402 SGD
Retailer 13$536 SGD
Retailer 8$543 SGD
Retailer 16$607 SGD
Retailer 11$694 SGD
Retailer 19$695 SGD
Retailer 2$755 SGD
Retailer 4$824 SGD
Retailer 17$986 SGD
Retailer 15$1,000 SGD
Retailer 18$1,030 SGD
Retailer 5$1,114 SGD
Retailer 6$1,294 SGD
Retailer 21$1,328 SGD
Retailer 14$1,359 SGD
Retailer 20$1,613 SGD
Retailer 10$1,745 SGD
Queensmith$2,433 SGD

11 data points across 21 retailers

22 retailers$324 SGD to $1,745 SGD

A
Cheapest Retailer
-
$324 SGD
A
Retailer 2
-
$363 SGD
View
Final sale: no returns
A
Retailer 3
-
$377 SGD
View
A
Retailer 4
-
$402 SGD
View
A
Retailer 5
-
$536 SGD
View
A
Retailer 6
-
$543 SGD
View
A
Retailer 7
-
$607 SGD
View
A
Retailer 8
-
$694 SGD
View
A
Retailer 9
-
$695 SGD
View
A
Retailer 10
-
$755 SGD
View
B+
Retailer 11
-
$824 SGD
View
B+
Retailer 12
-
$926 SGD
View
B+
Retailer 13
-
$986 SGD
View
B+
Retailer 14
-
$1,000 SGD
View
B+
Retailer 15
-
$1,030 SGD
View
Retailer 16
-
$1,114 SGD
View
Price last confirmed 7 days ago
B
Retailer 17
-
$1,294 SGD
View
B
Retailer 18
-
$1,328 SGD
View
B
Retailer 19
-
$1,359 SGD
View
B
Retailer 20
-
$1,613 SGD
View
B
Retailer 21
-
$1,745 SGD
View
Most Expensive
Queensmith
LG851605435 · Oct 28
$2,433 SGD
£1,500 GBP
View
Price last confirmed 8 days ago
21 more retailers have this diamond
Prices start from $324 SGDSave up to $1,420 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
1.30ct Marquise
$324 SGD