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Marquise|Lab Grown|IGI

1.55ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG802628607

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG802628607

Diamond specifications and retailer prices

From $330 SGD
$258 USD
As of November 1, 2026
Save $1,102 SGD (77%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,432 SGD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.55ct lab-grown marquise diamond

This 1.55ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG802628607 or 802628607. Listed at 4 retailers as of November 1, 2026, with prices from $330 to $1,432, a $1,102 spread on the same certified stone. Brilliant Earth lists it at $1,432. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG802628607
Dimensions11.84 × 5.90 × 3.82 mm
L/W Ratio2.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.84 mm5.90 mm1.55 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG802628607
Side View
Table 61.0%Crown 36.9°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 64.7%

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 1
Current: $1,432 SGD|Low: $330 SGD|High: $1,829 SGD|Avg: $975 SGD|-21.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 4$330 SGD
Retailer 8$613 SGD
Retailer 9$616 SGD
Retailer 7$651 SGD
Retailer 5$684 SGD
Retailer 2$707 SGD
Retailer 11$1,091 SGD
Retailer 10$1,180 SGD
Retailer 6$1,293 SGD
Brilliant Earth$1,432 SGD
Retailer 3$1,600 SGD

36 data points across 11 retailers

4 retailers$330 SGD to $1,432 SGD

A
Cheapest Retailer
-
$330 SGD
$258 USD
Final sale: no returns
A
Retailer 2
-
$707 SGD
£435 GBP
View
Retailer 3
-
$1,180 SGD
$923 USD
View
Price last confirmed 77 days ago
Most Expensive
B+
Brilliant Earth
19921177A · Nov 2
$1,432 SGD
$1,120 USD
View
3 more retailers have this diamond
Prices start from $330 SGDSave up to $1,102 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
1.55ct Marquise
$330 SGD