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Cushion|Lab Grown|IGI

0.91ct D SI1 Cushion Lab Grown Diamond

GD • D/SI1 • IGI LG517283270

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG517283270

Diamond specifications and retailer prices

From $247 NZD
$139 USD
As of November 1, 2026
Save $2,047 NZD (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,294 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 0.91ct lab-grown cushion diamond

This 0.91ct lab-grown cushion sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG517283270 or 517283270. Listed at 12 retailers as of October 29, 2026, with prices from $247 to $2,294, a $2,047 spread on the same certified stone. MOH London lists it at $2,294. 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

0.91
Carat
D
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.1°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG517283270
Dimensions6.80 × 5.50 × 3.43 mm
L/W Ratio1.24
Girdle conditionFaceted
Culet sizePointed
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
6.80 mm5.50 mm0.91 ctD / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG517283270
Side View
Table 58.5%Crown 34.1°Girdle: MED-THKPavilion 37.3°Culet: NoneDepth 62.4%

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: Nov 1
Current: $2,294 NZD|Low: $247 NZD|High: $2,310 NZD|Avg: $796 NZD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 10$247 NZD
Retailer 7$291 NZD
Retailer 3$488 NZD
Retailer 8$523 NZD
Retailer 5$563 NZD
Retailer 2$568 NZD
Retailer 9$839 NZD
Retailer 6$958 NZD
Retailer 4$1,065 NZD
MOH London$2,294 NZD

43 data points across 10 retailers

12 retailers$247 NZD to $2,294 NZD

A
Cheapest Retailer
-
$247 NZD
$139 USD
Final sale: no returns
Retailer 2
-
$291 NZD
$164 USD
View
Price last confirmed 7 days ago
B+
Retailer 3
-
$460 NZD
$259 USD
View
A
Retailer 4
-
$488 NZD
€262 EUR
View
B+
Retailer 5
-
$523 NZD
$295 USD
View
B+
Retailer 6
-
$563 NZD
£250 GBP
View
B+
Retailer 7
-
$568 NZD
£252 GBP
View
B+
Retailer 8
-
$839 NZD
$473 USD
View
Retailer 9
-
$958 NZD
$540 USD
View
Price last confirmed 18 days ago
B
Retailer 10
-
$979 NZD
$552 USD
View
B+
Retailer 11
-
$1,065 NZD
$600 USD
View
Most Expensive
B
MOH London
LG517283270 · Oct 29
$2,294 NZD
£1,018 GBP
View
11 more retailers have this diamond
Prices start from $247 NZDSave up to $2,047 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
0.91ct Cushion
$247 NZD