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Marquise|Lab Grown|IGI

1.83ct G VS1 Marquise Lab Grown Diamond

VG • G/VS1 • IGI LG678516826

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG678516826

Diamond specifications and retailer prices

From $324 SGD
$253 USD
As of November 2, 2026
Save $2,554 SGD (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,878 SGD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.83ct lab-grown marquise diamond

This 1.83ct 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 very-good cut grade and certified by IGI LG678516826 or 678516826. Listed at 12 retailers as of November 2, 2026, with prices from $324 to $2,878, a $2,554 spread on the same certified stone. Do Amore Diamonds lists it at $2,878. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.83
Carat
G
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678516826
Dimensions12.70 × 6.28 × 4.04 mm
L/W Ratio2.02
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.70 mm6.28 mm1.83 ctG / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678516826
Side View
Table 60.0%Crown 36.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 64.3%

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 2
Current: $2,878 SGD|Low: $324 SGD|High: $3,184 SGD|Avg: $1,433 SGD|-9.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 10$324 SGD
Retailer 2$518 SGD
Retailer 12$670 SGD
Retailer 6$671 SGD
Retailer 5$1,031 SGD
Retailer 8$1,233 SGD
Retailer 11$1,425 SGD
Retailer 7$1,779 SGD
Retailer 9$1,906 SGD
Retailer 3$1,930 SGD
Retailer 4$2,040 SGD
Do Amore Diamonds$2,878 SGD

25 data points across 12 retailers

12 retailers$324 SGD to $2,878 SGD

A
Cheapest Retailer
-
$324 SGD
$253 USD
Retailer 2
-
$324 SGD
$253 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$518 SGD
£319 GBP
View
B+
Retailer 4
-
$670 SGD
$524 USD
View
B+
Retailer 5
-
$671 SGD
$525 USD
View
A
Retailer 6
-
$1,031 SGD
A$1,240 AUD
View
B+
Retailer 7
-
$1,233 SGD
$964 USD
View
Retailer 8
-
$1,425 SGD
$1,114 USD
View
Price last confirmed 14 days ago
Retailer 9
-
$1,779 SGD
£1,095 GBP
View
Price last confirmed 8 days ago
B
Retailer 10
-
$1,906 SGD
$1,490 USD
View
B
Retailer 11
-
$1,930 SGD
$1,509 USD
View
Most Expensive
B
Do Amore Diamonds
27-A39C3646F · Nov 2
$2,878 SGD
$2,250 USD
View
11 more retailers have this diamond
Prices start from $324 SGDSave up to $2,554 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
1.83ct Marquise
$324 SGD