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Cushion|Lab Grown|IGI

1.80ct I VS1 Cushion Lab Grown Diamond

GD • I/VS1 • IGI LG601395034

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG601395034

Diamond specifications and retailer prices

From $275 USD
As of October 30, 2026
Save $951 USD (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,226 USD at MOH London · As of October 29, 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 standard cut grade and certified by IGI LG601395034 or 601395034. Listed at 16 retailers as of October 29, 2026, with prices from $275 to $1,226, a $951 spread on the same certified stone. MOH London lists it at $1,226. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.80
Carat
I
Color
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.3°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG601395034
Dimensions7.24 × 7.22 × 4.52 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
7.24 mm7.22 mm1.80 ctI / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG601395034
Side View
Table 58.0%Crown 31.3°Girdle: STK-THKPavilion 38.9°Culet: NoneDepth 62.6%

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: Oct 30
Current: $1,226 USD|Low: $195 USD|High: $1,840 USD|Avg: $778 USD|+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 3$275 USD
Retailer 12$304 USD
Retailer 8$399 USD
Retailer 13$410 USD
Retailer 2$495 USD
Retailer 9$523 USD
Retailer 14$566 USD
Retailer 6$610 USD
Retailer 11$765 USD
Retailer 5$983 USD
Retailer 10$1,085 USD
Retailer 7$1,180 USD
Retailer 4$1,189 USD
MOH London$1,226 USD

42 data points across 14 retailers

16 retailers$275 USD to $1,226 USD

A
Cheapest Retailer
-
$275 USD
Final sale: no returns
B+
Retailer 2
-
$304 USD
View
B+
Retailer 3
-
$346 USD
HK$2,700 HKD
View
A
Retailer 4
-
$399 USD
£314 GBP
View
B
Retailer 5
-
$410 USD
View
B+
Retailer 6
-
$495 USD
€471 EUR
View
B+
Retailer 7
-
$523 USD
ZAR 8,447 ZAR
View
B+
Retailer 8
-
$566 USD
View
B+
Retailer 9
-
$610 USD
View
B+
Retailer 10
-
$765 USD
View
B+
Retailer 11
-
$983 USD
SGD 1,328 SGD
View
B+
Retailer 12
-
$1,030 USD
View
B
Retailer 13
-
$1,085 USD
View
B
Retailer 14
-
$1,180 USD
View
B
Retailer 15
-
$1,189 USD
£936 GBP
View
Most Expensive
B
MOH London
LG601395034 · Oct 29
$1,226 USD
£965 GBP
View
15 more retailers have this diamond
Prices start from $275 USDSave up to $951 USD

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
$275 USD