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Round|Lab Grown|IGI

1.91ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG636471876

Shape and cutting style on the report: Round brilliant

Certificate IGI LG636471876

Diamond specifications and retailer prices

From $242 USD
As of October 29, 2026
Save $2,088 USD (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,330 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.91ct lab-grown round diamond

This 1.91ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG636471876 or 636471876. Listed at 11 retailers as of October 29, 2026, with prices from $242 to $2,330, a $2,088 spread on the same certified stone. Do Amore Diamonds lists it at $2,330. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG636471876
Dimensions7.98 × 7.95 × 4.87 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.98 mm7.95 mm1.91 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG636471876
Side View
Table 58.0%Crown 34.2°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.2%

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: Oct 29
Current: $2,330 USD|Low: $208 USD|High: $2,350 USD|Avg: $1,049 USD|+2.6%
Do Amore Diamonds
Retailer 2
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Retailer 7
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Retailer 12
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Retailer 17
October 29, 2026
Retailer 17$242 USD
Retailer 3$274 USD
Retailer 16$281 USD
Retailer 15$506 USD
Retailer 10$529 USD
Retailer 5$630 USD
Retailer 11$771 USD
Retailer 7$888 USD
Retailer 4$890 USD
Retailer 13$969 USD
Retailer 14$1,066 USD
Retailer 12$1,145 USD
Retailer 2$1,336 USD
Retailer 6$1,357 USD
Retailer 8$1,699 USD
Retailer 9$2,030 USD
Do Amore Diamonds$2,330 USD

36 data points across 17 retailers

11 retailers$242 USD to $2,330 USD

A
Cheapest Retailer
-
$242 USD
A
Retailer 2
-
$281 USD
View
B+
Retailer 3
-
$506 USD
View
A
Retailer 4
-
$529 USD
£416 GBP
View
B+
Retailer 5
-
$771 USD
A$1,186 AUD
View
B+
Retailer 6
-
$855 USD
View
B
Retailer 7
-
$969 USD
View
B+
Retailer 8
-
$1,066 USD
View
Retailer 9
-
$1,145 USD
View
Price last confirmed 14 days ago
B
Retailer 10
-
$1,336 USD
£1,052 GBP
View
Most Expensive
B
Do Amore Diamonds
27-25C559E9C · Oct 29
$2,330 USD
View
10 more retailers have this diamond
Prices start from $242 USDSave up to $2,088 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 Round
$242 USD