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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 $309 SGD
$242 USD
As of October 29, 2026
Save $2,669 SGD (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,979 SGD 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 $309 to $2,979, a $2,669 spread on the same certified stone. Do Amore Diamonds lists it at $2,979. 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 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

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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: $2,979 SGD|Low: $266 SGD|High: $3,004 SGD|Avg: $1,341 SGD|+2.6%
Do Amore Diamonds
Retailer 2
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Retailer 12
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Retailer 17
October 29, 2026
Retailer 17$309 SGD
Retailer 3$350 SGD
Retailer 16$359 SGD
Retailer 15$647 SGD
Retailer 10$676 SGD
Retailer 5$805 SGD
Retailer 11$986 SGD
Retailer 7$1,135 SGD
Retailer 4$1,138 SGD
Retailer 13$1,239 SGD
Retailer 14$1,363 SGD
Retailer 12$1,464 SGD
Retailer 2$1,708 SGD
Retailer 6$1,734 SGD
Retailer 8$2,172 SGD
Retailer 9$2,595 SGD
Do Amore Diamonds$2,979 SGD

36 data points across 17 retailers

11 retailers$309 SGD to $2,979 SGD

A
Cheapest Retailer
-
$309 SGD
$242 USD
A
Retailer 2
-
$359 SGD
$281 USD
View
B+
Retailer 3
-
$647 SGD
$506 USD
View
A
Retailer 4
-
$676 SGD
£416 GBP
View
B+
Retailer 5
-
$986 SGD
A$1,186 AUD
View
B+
Retailer 6
-
$1,093 SGD
$855 USD
View
B
Retailer 7
-
$1,239 SGD
$969 USD
View
B+
Retailer 8
-
$1,363 SGD
$1,066 USD
View
Retailer 9
-
$1,464 SGD
$1,145 USD
View
Price last confirmed 14 days ago
B
Retailer 10
-
$1,708 SGD
£1,052 GBP
View
Most Expensive
B
Do Amore Diamonds
27-25C559E9C · Oct 29
$2,979 SGD
$2,330 USD
View
10 more retailers have this diamond
Prices start from $309 SGDSave up to $2,669 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
$309 SGD