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Round|Lab Grown|IGI

1.81ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG634440621

Shape and cutting style on the report: Round brilliant

Certificate IGI LG634440621

Diamond specifications and retailer prices

From $460 SGD
$360 USD
As of November 1, 2026
Save $1,770 SGD (79%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,230 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 1.81ct lab-grown round diamond

This 1.81ct lab-grown round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG634440621 or 634440621. Listed at 17 retailers as of November 1, 2026, with prices from $460 to $2,230, a $1,770 spread on the same certified stone. MOH London lists it at $2,230. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.81
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634440621
Dimensions7.83 × 7.80 × 4.82 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.83 mm7.80 mm1.81 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634440621
Side View
Table 60.0%Crown 34.6°Girdle: MediumPavilion 41.4°Culet: NoneDepth 61.7%

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: $2,230 SGD|Low: $460 SGD|High: $2,404 SGD|Avg: $1,102 SGD|-6.1%
MOH London
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
November 2, 2026
Retailer 4$460 SGD
Retailer 15$514 SGD
Retailer 13$533 SGD
Retailer 8$570 SGD
Retailer 7$577 SGD
Retailer 11$840 SGD
Retailer 6$844 SGD
Retailer 12$911 SGD
Retailer 14$914 SGD
Retailer 2$984 SGD
Retailer 5$1,338 SGD
Retailer 10$1,674 SGD
Retailer 9$1,834 SGD
Retailer 3$1,886 SGD
MOH London$2,230 SGD

31 data points across 15 retailers

17 retailers$460 SGD to $2,230 SGD

A
Cheapest Retailer
-
$460 SGD
$360 USD
A
Retailer 2
-
$514 SGD
$402 USD
View
Final sale: no returns
A
Retailer 3
-
$533 SGD
$417 USD
View
A
Retailer 4
-
$570 SGD
$446 USD
View
Retailer 5
-
$577 SGD
$451 USD
View
Price last confirmed 8 days ago
Retailer 6
-
$600 SGD
$469 USD
View
Price last confirmed 48 days ago
A
Retailer 7
-
$840 SGD
$657 USD
View
A
Retailer 8
-
$844 SGD
$660 USD
View
A
Retailer 9
-
$911 SGD
$712 USD
View
A
Retailer 10
-
$914 SGD
$715 USD
View
A
Retailer 11
-
$984 SGD
ZAR 12,431 ZAR
View
B+
Retailer 12
-
$1,196 SGD
$935 USD
View
B+
Retailer 13
-
$1,338 SGD
A$1,609 AUD
View
B
Retailer 14
-
$1,674 SGD
$1,309 USD
View
B+
Retailer 15
-
$1,834 SGD
$1,434 USD
View
B+
Retailer 16
-
$1,886 SGD
$1,475 USD
View
Most Expensive
B
MOH London
LG634440621 · Nov 1
$2,230 SGD
£1,373 GBP
View
16 more retailers have this diamond
Prices start from $460 SGDSave up to $1,770 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
1.81ct Round
$460 SGD