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Round|Lab Grown|IGI

1.91ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG833671684

Shape and cutting style on the report: Round brilliant

Certificate IGI LG833671684

Diamond specifications and retailer prices

From $458 SGD
HK$2,800 HKD
As of November 1, 2026
Save $1,856 SGD (80%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,314 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 LG833671684 or 833671684. Listed at 24 retailers as of October 31, 2026, with prices from $458 to $2,314, a $1,856 spread on the same certified stone. Brilliant Earth lists it at $2,314. 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 angle34.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833671684
Dimensions7.99 × 7.92 × 4.88 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.99 mm7.92 mm1.91 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833671684
Side View
Table 59.0%Crown 34.6°Girdle: MediumPavilion 41°Culet: NoneDepth 61.3%

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: $2,224 SGD|Low: $375 SGD|High: $2,531 SGD|Avg: $1,121 SGD|-12.1%
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
Retailer 18
Retailer 19
Retailer 20
October 31, 2026
Retailer 9$375 SGD
Retailer 4$458 SGD
Retailer 16$626 SGD
Retailer 2$652 SGD
Retailer 17$660 SGD
Retailer 6$689 SGD
Retailer 3$701 SGD
Retailer 18$786 SGD
Retailer 10$878 SGD
Retailer 20$973 SGD
Retailer 13$1,038 SGD
Retailer 15$1,323 SGD
Retailer 12$1,398 SGD
Retailer 5$1,489 SGD
Retailer 11$1,536 SGD
Retailer 7$1,631 SGD
Retailer 19$1,664 SGD
Retailer 14$1,693 SGD
Retailer 8$1,777 SGD
Brilliant Earth$2,224 SGD

38 data points across 20 retailers

24 retailers$458 SGD to $2,314 SGD

Retailer 1
-
$337 SGD
$264 USD
Price last confirmed 39 days ago
Retailer 2
-
$392 SGD
$307 USD
View
Price last confirmed 40 days ago
Retailer 3
-
$414 SGD
$324 USD
View
Price last confirmed 40 days ago
A
Retailer 4
-
$458 SGD
HK$2,800 HKD
View
Retailer 5
-
$626 SGD
$490 USD
View
Price last confirmed 5 days ago
A
Retailer 6
-
$652 SGD
€486 EUR
View
A
Retailer 7
-
$660 SGD
£406 GBP
View
Retailer 8
-
$689 SGD
$539 USD
View
Price last confirmed 7 days ago
Retailer 9
-
$701 SGD
ZAR 8,861 ZAR
View
Price last confirmed 9 days ago
A
Retailer 10
-
$786 SGD
£484 GBP
View
A
Retailer 11
-
$878 SGD
$687 USD
View
Retailer 12
-
$973 SGD
A$1,171 AUD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$1,038 SGD
$812 USD
View
B+
Retailer 14
-
$1,323 SGD
View
Retailer 15
-
$1,347 SGD
$1,054 USD
View
Price last confirmed 42 days ago
B+
Retailer 16
-
$1,398 SGD
$1,094 USD
View
Retailer 17
-
$1,489 SGD
$1,165 USD
View
Price last confirmed 15 days ago
Retailer 18
-
$1,536 SGD
A$1,848 AUD
View
Price last confirmed 29 days ago
B
Retailer 19
-
$1,631 SGD
$1,276 USD
View
B
Retailer 20
-
$1,664 SGD
£1,025 GBP
View
B
Retailer 21
-
$1,693 SGD
$1,324 USD
View
Retailer 22
-
$1,777 SGD
$1,390 USD
View
Price last confirmed 8 days ago
B
Retailer 23
-
$2,224 SGD
$1,740 USD
View
Most Expensive
B
Brilliant Earth
21633778A · Oct 31
$2,314 SGD
$1,810 USD
View
23 more retailers have this diamond
Prices start from $458 SGDSave up to $1,856 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
$458 SGD