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Cushion|Lab Grown|IGI

1.60ct D SI1 Cushion Lab Grown Diamond

VG • D/SI1 • IGI LG812611164

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG812611164

Diamond specifications and retailer prices

From $494 NZD
$278 USD
As of November 1, 2026
Save $2,700 NZD (85%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,194 NZD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.6ct lab-grown cushion diamond

This 1.6ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG812611164 or 812611164. Listed at 9 retailers as of October 29, 2026, with prices from $494 to $3,194, a $2,700 spread on the same certified stone. Do Amore Diamonds lists it at $3,194. 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

1.60
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812611164
Dimensions8.36 × 5.80 × 4.01 mm
L/W Ratio1.44
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.36 mm5.80 mm1.60 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812611164
Side View
Table 64.0%Crown 33.7°Girdle: MED-THKPavilion 39°Culet: NoneDepth 69.1%

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: $3,194 NZD|Low: $332 NZD|High: $3,194 NZD|Avg: $1,327 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 25, 2026
Retailer 8$373 NZD
Retailer 10$494 NZD
Retailer 4$509 NZD
Retailer 6$562 NZD
Retailer 2$747 NZD
Retailer 5$1,180 NZD
Retailer 9$1,453 NZD
Retailer 3$1,832 NZD
Retailer 7$2,307 NZD
Do Amore Diamonds$3,194 NZD

26 data points across 10 retailers

9 retailers$494 NZD to $3,194 NZD

A
Cheapest Retailer
-
$494 NZD
$278 USD
Retailer 2
-
$509 NZD
£226 GBP
View
Price last confirmed 15 days ago
B+
Retailer 3
-
$562 NZD
$317 USD
View
A
Retailer 4
-
$747 NZD
€401 EUR
View
B+
Retailer 5
-
$1,180 NZD
$665 USD
View
B
Retailer 6
-
$1,453 NZD
$819 USD
View
Retailer 7
-
$1,832 NZD
£813 GBP
View
Price last confirmed 11 days ago
B
Retailer 8
-
$2,307 NZD
$1,300 USD
View
Most Expensive
B
Do Amore Diamonds
27-BA62FA767 · Oct 29
$3,194 NZD
$1,800 USD
View
8 more retailers have this diamond
Prices start from $494 NZDSave up to $2,700 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
1.60ct Cushion
$494 NZD