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Cushion|Lab Grown|IGI

1.80ct I VS1 Cushion Lab Grown Diamond

ID • I/VS1 • IGI LG825670046

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG825670046

Diamond specifications and retailer prices

From $594 SGD
$465 USD
As of October 27, 2026
Save $1,816 SGD (75%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,724 SGD at MOH London · As of October 19, 2026
View at MOH London

About this 1.8ct lab-grown cushion diamond

This 1.8ct lab-grown cushion sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG825670046 or 825670046. Listed at 13 retailers as of October 27, 2026, with a 306% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.80
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.4°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825670046
Dimensions8.41 × 6.13 × 4.17 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.41 mm6.13 mm1.80 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825670046
Side View
Table 54.0%Crown 39.4°Girdle: THK-VTKPavilion 39.6°Culet: LargeDepth 68.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $2,724 SGD|Low: $571 SGD|High: $2,744 SGD|Avg: $1,300 SGD|+0.5%
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
October 31, 2026
Retailer 11$594 SGD
Retailer 4$666 SGD
Retailer 12$666 SGD
Retailer 13$738 SGD
Retailer 14$738 SGD
Retailer 5$878 SGD
Retailer 10$882 SGD
Retailer 9$1,106 SGD
Retailer 2$1,125 SGD
Retailer 8$1,984 SGD
Retailer 7$2,148 SGD
Retailer 3$2,371 SGD
Retailer 6$2,411 SGD
MOH London$2,724 SGD

27 data points across 14 retailers

13 retailers$594 SGD to $2,411 SGD

A
Cheapest Retailer
-
$594 SGD
$465 USD
A
Retailer 2
-
$666 SGD
$521 USD
View
Retailer 3
-
$738 SGD
$577 USD
View
Price last confirmed 16 days ago
Retailer 4
-
$738 SGD
$577 USD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$878 SGD
$687 USD
View
A
Retailer 6
-
$882 SGD
$690 USD
View
A
Retailer 7
-
$1,106 SGD
$865 USD
View
A
Retailer 8
-
$1,125 SGD
€838 EUR
View
Retailer 9
-
$1,984 SGD
$1,552 USD
View
Price last confirmed 9 days ago
B
Retailer 10
-
$2,148 SGD
$1,680 USD
View
Retailer 11
-
$2,371 SGD
$1,855 USD
View
Price last confirmed 10 days ago
B
Retailer 12
-
$2,411 SGD
$1,886 USD
View
Most Expensive
MOH London
LG825670046 · Oct 19
$2,724 SGD
£1,678 GBP
View
Price last confirmed 13 days ago
12 more retailers have this diamond
Prices start from $594 SGDSave up to $1,816 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
1.80ct Cushion
$594 SGD