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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 $253 USD
As of November 2, 2026
Save $1,997 USD (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,250 USD at Do Amore Diamonds · As of October 31, 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 October 31, 2026, with prices from $253 to $2,250, a $1,997 spread on the same certified stone. Do Amore Diamonds lists it at $2,250. 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
Color
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: $2,250 USD|Low: $253 USD|High: $2,490 USD|Avg: $1,123 USD|-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 1, 2026
Retailer 10$253 USD
Retailer 2$405 USD
Retailer 12$524 USD
Retailer 6$525 USD
Retailer 5$806 USD
Retailer 8$964 USD
Retailer 11$1,114 USD
Retailer 7$1,391 USD
Retailer 9$1,490 USD
Retailer 3$1,509 USD
Retailer 4$1,595 USD
Do Amore Diamonds$2,250 USD

24 data points across 12 retailers

12 retailers$253 USD to $2,250 USD

A
Cheapest Retailer
-
$253 USD
Retailer 2
-
$253 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
$405 USD
£319 GBP
View
B+
Retailer 4
-
$524 USD
View
B+
Retailer 5
-
$525 USD
View
A
Retailer 6
-
$806 USD
A$1,240 AUD
View
B+
Retailer 7
-
$964 USD
View
Retailer 8
-
$1,114 USD
View
Price last confirmed 13 days ago
Retailer 9
-
$1,391 USD
£1,095 GBP
View
Price last confirmed 7 days ago
B
Retailer 10
-
$1,490 USD
View
B
Retailer 11
-
$1,509 USD
View
Most Expensive
B
Do Amore Diamonds
27-A39C3646F · Oct 31
$2,250 USD
View
11 more retailers have this diamond
Prices start from $253 USDSave up to $1,997 USD

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
$253 USD