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Marquise|Lab Grown|IGI

1.91ct D VS2 Marquise Lab Grown Diamond

EX • D/VS2 • IGI LG813688502

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG813688502

Diamond specifications and retailer prices

From $357 USD
As of November 1, 2026
Save $2,373 USD (87%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,730 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.91ct lab-grown marquise diamond

This 1.91ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG813688502 or 813688502. Listed at 12 retailers as of November 1, 2026, with prices from $357 to $2,730, a $2,373 spread on the same certified stone. Do Amore Diamonds lists it at $2,730. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
D
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813688502
Dimensions12.40 × 6.59 × 4.12 mm
L/W Ratio1.88
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.40 mm6.59 mm1.91 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813688502
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $2,730 USD|Low: $468 USD|High: $2,730 USD|Avg: $913 USD
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 2$468 USD
Retailer 11$478 USD
Retailer 12$508 USD
Retailer 5$510 USD
Retailer 10$628 USD
Retailer 3$648 USD
Retailer 9$652 USD
Retailer 8$1,171 USD
Retailer 4$1,196 USD
Retailer 6$1,287 USD
Retailer 7$1,695 USD
Do Amore Diamonds$2,730 USD

13 data points across 12 retailers

12 retailers$357 USD to $2,730 USD

A
Cheapest Retailer
-
$357 USD
A
Retailer 2
-
$468 USD
£369 GBP
View
A
Retailer 3
-
$478 USD
View
B+
Retailer 4
-
$508 USD
View
A
Retailer 5
-
$510 USD
View
A
Retailer 6
-
$628 USD
View
A
Retailer 7
-
$652 USD
€621 EUR
View
B+
Retailer 8
-
$1,171 USD
View
B+
Retailer 9
-
$1,287 USD
A$1,980 AUD
View
B
Retailer 10
-
$1,353 USD
View
B
Retailer 11
-
$1,695 USD
£1,335 GBP
View
Most Expensive
B
Do Amore Diamonds
27-FC384B492 · Nov 2
$2,730 USD
View
11 more retailers have this diamond
Prices start from $357 USDSave up to $2,373 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
1.91ct Marquise
$357 USD