Marquise|Lab Grown|IGI

1.89ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG843667413

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843667413

Diamond specifications and retailer prices

From $233 USD
As of October 30, 2026
Save $1,132 USD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,365 USD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.89ct lab-grown marquise diamond

This 1.89ct 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 LG843667413 or 843667413. Listed at 12 retailers as of October 28, 2026, with prices from $233 to $1,365, a $1,132 spread on the same certified stone. Rare Carat lists it at $1,365. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.89
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843667413
Dimensions12.40 × 6.50 × 4.09 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.40 mm6.50 mm1.89 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843667413
Side View
Table 62.0%Crown 35.3°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.9%

Caratlytics Score

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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: Oct 30
Current: $1,365 USD|Low: $233 USD|High: $1,365 USD|Avg: $771 USD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 10$233 USD
Retailer 8$271 USD
Retailer 2$339 USD
Retailer 7$482 USD
Retailer 4$631 USD
Retailer 6$675 USD
Retailer 12$931 USD
Retailer 9$934 USD
Retailer 3$1,044 USD
Retailer 5$1,166 USD
Retailer 11$1,228 USD
Rare Carat$1,365 USD

17 data points across 12 retailers

12 retailers$233 USD to $1,365 USD

A
Cheapest Retailer
-
$233 USD
A
Retailer 2
-
$271 USD
View
A
Retailer 3
-
$339 USD
£267 GBP
View
A
Retailer 4
-
$482 USD
€459 EUR
View
A
Retailer 5
-
$631 USD
View
A
Retailer 6
-
$675 USD
A$1,038 AUD
View
B+
Retailer 7
-
$931 USD
View
B+
Retailer 8
-
$934 USD
View
B+
Retailer 9
-
$1,044 USD
View
B+
Retailer 10
-
$1,166 USD
£918 GBP
View
B+
Retailer 11
-
$1,228 USD
View
Most Expensive
B
Rare Carat
LGMQ15-167908 · Oct 28
$1,365 USD
View
11 more retailers have this diamond
Prices start from $233 USDSave up to $1,132 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
1.89ct Marquise
$233 USD