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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 $373 AUD
$262 USD
As of November 1, 2026
Save $2,076 AUD (85%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,449 AUD at Brilliant Earth · As of October 31, 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 October 31, 2026, with prices from $373 to $2,449, a $2,076 spread on the same certified stone. Brilliant Earth lists it at $2,449. 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
Colour
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

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: Nov 1
Current: $2,449 AUD|Low: $373 AUD|High: $3,488 AUD|Avg: $1,071 AUD|-29.8%
Brilliant Earth
Retailer 2
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Retailer 11
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Retailer 22
November 2, 2026
Retailer 14$373 AUD
Retailer 11$417 AUD
Retailer 10$431 AUD
Retailer 8$461 AUD
Retailer 15$473 AUD
Retailer 4$624 AUD
Retailer 20$626 AUD
Retailer 18$732 AUD
Retailer 13$796 AUD
Retailer 19$843 AUD
Retailer 3$858 AUD
Retailer 2$881 AUD
Retailer 6$978 AUD
Retailer 5$1,073 AUD
Retailer 21$1,169 AUD
Retailer 22$1,431 AUD
Retailer 7$1,485 AUD
Retailer 12$1,557 AUD
Retailer 17$1,658 AUD
Retailer 9$1,817 AUD
Retailer 16$1,850 AUD
Brilliant Earth$2,449 AUD

31 data points across 22 retailers

24 retailers$373 AUD to $2,449 AUD

A
Cheapest Retailer
-
$373 AUD
$262 USD
A
Retailer 2
-
$417 AUD
$293 USD
View
Final sale: no returns
A
Retailer 3
-
$431 AUD
$303 USD
View
A
Retailer 4
-
$461 AUD
$324 USD
View
Retailer 5
-
$473 AUD
$332 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$624 AUD
$438 USD
View
A
Retailer 7
-
$626 AUD
$440 USD
View
A
Retailer 8
-
$732 AUD
£405 GBP
View
A
Retailer 9
-
$796 AUD
ZAR 9,034 ZAR
View
A
Retailer 10
-
$843 AUD
€564 EUR
View
A
Retailer 11
-
$858 AUD
$603 USD
View
A
Retailer 12
-
$881 AUD
£487 GBP
View
A
Retailer 13
-
$978 AUD
$687 USD
View
B+
Retailer 14
-
$1,073 AUD
View
B+
Retailer 15
-
$1,169 AUD
$821 USD
View
B+
Retailer 16
-
$1,431 AUD
$1,005 USD
View
B+
Retailer 17
-
$1,485 AUD
$1,043 USD
View
B+
Retailer 18
-
$1,557 AUD
$1,094 USD
View
B
Retailer 19
-
$1,658 AUD
$1,165 USD
View
B
Retailer 20
-
$1,690 AUD
$1,187 USD
View
Retailer 21
-
$1,710 AUD
View
Price last confirmed 158 days ago
B
Retailer 22
-
$1,817 AUD
$1,276 USD
View
B
Retailer 23
-
$1,850 AUD
£1,023 GBP
View
Most Expensive
B
Brilliant Earth
18296538A · Oct 31
$2,449 AUD
$1,720 USD
View
23 more retailers have this diamond
Prices start from $373 AUDSave up to $2,076 AUD

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
$373 AUD