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Round|Lab Grown|IGI

1.91ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG735513000

Shape and cutting style on the report: Round brilliant

Certificate IGI LG735513000

Diamond specifications and retailer prices

From $262 USD
As of October 29, 2026
Save $1,458 USD (85%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $1,720 USD at Brilliant Earth · As of October 30, 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 LG735513000 or 735513000. Listed at 25 retailers as of October 29, 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 angle32.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735513000
Dimensions8.05 × 8.10 × 4.82 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.05 mm8.10 mm1.91 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735513000
Side View
Table 57.0%Crown 32.8°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 59.7%

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 29
Current: $1,720 USD|Low: $257 USD|High: $1,990 USD|Avg: $746 USD|-13.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 7$262 USD
Retailer 5$293 USD
Retailer 9$332 USD
Retailer 15$438 USD
Retailer 10$440 USD
Retailer 16$557 USD
Retailer 2$592 USD
Retailer 14$603 USD
Retailer 11$619 USD
Retailer 3$687 USD
Retailer 17$754 USD
Retailer 12$821 USD
Retailer 13$1,005 USD
Retailer 6$1,094 USD
Retailer 4$1,276 USD
Retailer 8$1,332 USD
Brilliant Earth$1,720 USD

41 data points across 17 retailers

25 retailers$262 USD to $1,720 USD

A
Cheapest Retailer
-
$262 USD
Retailer 2
-
$268 USD
View
Price last confirmed 39 days ago
A
Retailer 3
-
$293 USD
View
Final sale: no returns
Retailer 4
-
$311 USD
View
Price last confirmed 39 days ago
Retailer 5
-
$328 USD
View
Price last confirmed 37 days ago
A
Retailer 6
-
$332 USD
View
B+
Retailer 7
-
$438 USD
View
A
Retailer 8
-
$440 USD
View
A
Retailer 9
-
$557 USD
ZAR 9,002 ZAR
View
A
Retailer 10
-
$592 USD
€564 EUR
View
A
Retailer 11
-
$603 USD
View
A
Retailer 12
-
$619 USD
£487 GBP
View
A
Retailer 13
-
$687 USD
View
A
Retailer 14
-
$754 USD
A$1,160 AUD
View
B+
Retailer 15
-
$821 USD
View
Retailer 16
-
$865 USD
A$1,331 AUD
View
Price last confirmed 154 days ago
B+
Retailer 17
-
$1,005 USD
View
Retailer 18
-
$1,020 USD
View
Price last confirmed 16 days ago
Retailer 19
-
$1,067 USD
View
Price last confirmed 41 days ago
B+
Retailer 20
-
$1,094 USD
View
B
Retailer 21
-
$1,187 USD
View
Retailer 22
-
$1,240 USD
View
Price last confirmed 90 days ago
B
Retailer 23
-
$1,276 USD
View
B
Retailer 24
-
$1,332 USD
£1,049 GBP
View
Most Expensive
B
Brilliant Earth
17473476A · Oct 30
$1,720 USD
View
24 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