CaratHunter
Plans
Cushion|Lab Grown|IGI

1.61ct G SI1 Cushion Lab Grown Diamond

EX • G/SI1 • IGI LG608365884

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG608365884

Diamond specifications and retailer prices

From $361 USD
As of October 28, 2026
Save $1,237 USD (77%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,598 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.61ct lab-grown cushion diamond

This 1.61ct lab-grown cushion sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG608365884 or 608365884. Listed at 10 retailers as of October 28, 2026, with prices from $361 to $1,598, a $1,237 spread on the same certified stone. MOH London lists it at $1,598. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.61
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG608365884
Dimensions6.86 × 6.83 × 4.55 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
6.86 mm6.83 mm1.61 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG608365884
Side View
Table 61.0%Crown 32.7°Girdle: MED-VTKPavilion 40.3°Culet: NoneDepth 66.6%

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 28
Current: $1,598 USD|Low: $361 USD|High: $1,698 USD|Avg: $767 USD|-4.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 9$361 USD
Retailer 5$401 USD
Retailer 2$511 USD
Retailer 4$575 USD
Retailer 7$575 USD
Retailer 10$651 USD
Retailer 6$662 USD
Retailer 3$712 USD
Retailer 8$1,333 USD
MOH London$1,598 USD

43 data points across 10 retailers

10 retailers$361 USD to $1,598 USD

A
Cheapest Retailer
-
$361 USD
Final sale: no returns
A
Retailer 2
-
$401 USD
View
A
Retailer 3
-
$511 USD
£402 GBP
View
A
Retailer 4
-
$575 USD
View
A
Retailer 5
-
$575 USD
View
A
Retailer 6
-
$651 USD
View
A
Retailer 7
-
$662 USD
View
B+
Retailer 8
-
$712 USD
£560 GBP
View
B
Retailer 9
-
$1,333 USD
View
Most Expensive
B
MOH London
LG608365884 · Oct 29
$1,598 USD
£1,258 GBP
View
9 more retailers have this diamond
Prices start from $361 USDSave up to $1,237 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
1.61ct Cushion
$361 USD