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Cushion|Lab Grown|IGI

1.81ct F VVS1 Cushion Lab Grown Diamond

VG • F/VVS1 • IGI LG841625591

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG841625591

Diamond specifications and retailer prices

From $814 NZD
$458 USD
As of November 1, 2026
Save $4,642 NZD (85%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,456 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.81ct lab-grown cushion diamond

This 1.81ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG841625591 or 841625591. Listed at 8 retailers as of November 1, 2026, with prices from $814 to $5,456, a $4,642 spread on the same certified stone. Brilliant Earth lists it at $5,456. 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

1.81
Carat
F
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.3°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841625591
Dimensions6.88 × 6.80 × 4.70 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.88 mm6.80 mm1.81 ctF / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841625591
Side View
Table 66.0%Crown 45.3°Girdle: STK-THKPavilion 37°Culet: NoneDepth 69.1%

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: $1,062 NZD|Low: $814 NZD|High: $3,128 NZD|Avg: $1,645 NZD|-2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 6$814 NZD
Retailer 4$980 NZD
Retailer 1$1,062 NZD
Retailer 5$1,523 NZD
Retailer 7$2,031 NZD
Retailer 3$2,420 NZD
Retailer 2$3,119 NZD

26 data points across 7 retailers

8 retailers$814 NZD to $5,456 NZD

B+
Cheapest Retailer
-
$814 NZD
$458 USD
A
Retailer 2
-
$980 NZD
€525 EUR
View
A
Retailer 3
-
$1,062 NZD
£471 GBP
View
A
Retailer 4
-
$1,523 NZD
$857 USD
View
B+
Retailer 5
-
$2,031 NZD
$1,143 USD
View
B
Retailer 6
-
$2,420 NZD
£1,072 GBP
View
B
Retailer 7
-
$3,119 NZD
$1,755 USD
View
Most Expensive
B
Brilliant Earth
22271075A · Nov 2
$5,456 NZD
$3,070 USD
View
7 more retailers have this diamond
Prices start from $814 NZDSave up to $4,642 NZD

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 Cushion
$814 NZD