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Round|Lab Grown|IGI

1.91ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG747570355

Shape and cutting style on the report: Round brilliant

Certificate IGI LG747570355

Diamond specifications and retailer prices

From $262 USD
As of November 1, 2026
Save $1,458 USD (85%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $1,720 USD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

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 LG747570355 or 747570355. Listed at 24 retailers as of November 1, 2026, with prices from $262 to $1,720, a $1,458 spread on the same certified stone. Brilliant Earth lists it at $1,720. 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 angle33.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG747570355
Dimensions8.11 × 8.07 × 4.79 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
8.11 mm8.07 mm1.91 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG747570355
Side View
Table 59.0%Crown 33.2°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 59.3%

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: Nov 1
Current: $1,720 USD|Low: $262 USD|High: $2,450 USD|Avg: $807 USD|-29.8%
Brilliant Earth
Retailer 2
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Retailer 22
November 2, 2026
Retailer 14$262 USD
Retailer 11$293 USD
Retailer 10$303 USD
Retailer 8$324 USD
Retailer 15$332 USD
Retailer 4$438 USD
Retailer 21$440 USD
Retailer 16$514 USD
Retailer 18$559 USD
Retailer 13$584 USD
Retailer 3$603 USD
Retailer 17$619 USD
Retailer 6$687 USD
Retailer 5$754 USD
Retailer 2$831 USD
Retailer 22$1,005 USD
Retailer 7$1,043 USD
Retailer 12$1,094 USD
Retailer 20$1,165 USD
Retailer 9$1,276 USD
Retailer 19$1,299 USD
Brilliant Earth$1,720 USD

30 data points across 22 retailers

24 retailers$262 USD to $1,720 USD

A
Cheapest Retailer
-
$262 USD
A
Retailer 2
-
$293 USD
View
Final sale: no returns
A
Retailer 3
-
$303 USD
View
A
Retailer 4
-
$324 USD
View
Retailer 5
-
$332 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$438 USD
View
A
Retailer 7
-
$440 USD
View
A
Retailer 8
-
$514 USD
£405 GBP
View
A
Retailer 9
-
$559 USD
ZAR 9,034 ZAR
View
A
Retailer 10
-
$584 USD
€556 EUR
View
A
Retailer 11
-
$603 USD
View
A
Retailer 12
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$619 USD
£487 GBP
View
A
Retailer 13
-
$687 USD
View
B+
Retailer 14
-
$754 USD
A$1,160 AUD
View
B+
Retailer 15
-
$831 USD
View
B+
Retailer 16
-
$1,005 USD
View
B+
Retailer 17
-
$1,043 USD
View
B+
Retailer 18
-
$1,094 USD
View
B
Retailer 19
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$1,165 USD
View
B
Retailer 20
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$1,187 USD
View
Retailer 21
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$1,201 USD
A$1,848 AUD
View
Price last confirmed 159 days ago
B
Retailer 22
-
$1,276 USD
View
B
Retailer 23
-
$1,299 USD
£1,023 GBP
View
Most Expensive
B
Brilliant Earth
18296538A · Nov 2
$1,720 USD
View
23 more retailers have this diamond
Prices start from $262 USDSave up to $1,458 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
$262 USD