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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 $335 SGD
$262 USD
As of November 1, 2026
Save $1,864 SGD (85%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,199 SGD 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 $335 to $2,199, a $1,864 spread on the same certified stone. Brilliant Earth lists it at $2,199. 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: $2,199 SGD|Low: $335 SGD|High: $3,132 SGD|Avg: $962 SGD|-29.8%
Brilliant Earth
Retailer 2
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Retailer 22
November 2, 2026
Retailer 14$335 SGD
Retailer 11$375 SGD
Retailer 10$387 SGD
Retailer 8$414 SGD
Retailer 15$424 SGD
Retailer 4$560 SGD
Retailer 20$562 SGD
Retailer 18$658 SGD
Retailer 13$715 SGD
Retailer 19$757 SGD
Retailer 3$771 SGD
Retailer 2$791 SGD
Retailer 6$878 SGD
Retailer 5$964 SGD
Retailer 21$1,050 SGD
Retailer 22$1,285 SGD
Retailer 7$1,333 SGD
Retailer 12$1,398 SGD
Retailer 17$1,489 SGD
Retailer 9$1,631 SGD
Retailer 16$1,661 SGD
Brilliant Earth$2,199 SGD

31 data points across 22 retailers

24 retailers$335 SGD to $2,199 SGD

A
Cheapest Retailer
-
$335 SGD
$262 USD
A
Retailer 2
-
$375 SGD
$293 USD
View
Final sale: no returns
A
Retailer 3
-
$387 SGD
$303 USD
View
A
Retailer 4
-
$414 SGD
$324 USD
View
Retailer 5
-
$424 SGD
$332 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$560 SGD
$438 USD
View
A
Retailer 7
-
$562 SGD
$440 USD
View
A
Retailer 8
-
$658 SGD
£405 GBP
View
A
Retailer 9
-
$715 SGD
ZAR 9,034 ZAR
View
A
Retailer 10
-
$757 SGD
€564 EUR
View
A
Retailer 11
-
$771 SGD
$603 USD
View
A
Retailer 12
-
$791 SGD
£487 GBP
View
A
Retailer 13
-
$878 SGD
$687 USD
View
B+
Retailer 14
-
$964 SGD
A$1,160 AUD
View
B+
Retailer 15
-
$1,050 SGD
$821 USD
View
B+
Retailer 16
-
$1,285 SGD
$1,005 USD
View
B+
Retailer 17
-
$1,333 SGD
$1,043 USD
View
B+
Retailer 18
-
$1,398 SGD
$1,094 USD
View
B
Retailer 19
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$1,489 SGD
$1,165 USD
View
B
Retailer 20
-
$1,517 SGD
$1,187 USD
View
Retailer 21
-
$1,536 SGD
A$1,848 AUD
View
Price last confirmed 158 days ago
B
Retailer 22
-
$1,631 SGD
$1,276 USD
View
B
Retailer 23
-
$1,661 SGD
£1,023 GBP
View
Most Expensive
B
Brilliant Earth
18296538A · Oct 31
$2,199 SGD
$1,720 USD
View
23 more retailers have this diamond
Prices start from $335 SGDSave up to $1,864 SGD

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
$335 SGD