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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 $396 AUD
$278 USD
As of November 1, 2026
Save $2,166 AUD (85%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,562 AUD 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 $396 to $2,562, a $2,166 spread on the same certified stone. Do Amore Diamonds lists it at $2,562. 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: $2,562 AUD|Low: $266 AUD|High: $2,562 AUD|Avg: $1,065 AUD
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$299 AUD
Retailer 10$396 AUD
Retailer 4$408 AUD
Retailer 6$451 AUD
Retailer 2$599 AUD
Retailer 5$947 AUD
Retailer 9$1,166 AUD
Retailer 3$1,470 AUD
Retailer 7$1,851 AUD
Do Amore Diamonds$2,562 AUD

26 data points across 10 retailers

9 retailers$396 AUD to $2,562 AUD

A
Cheapest Retailer
-
$396 AUD
$278 USD
Retailer 2
-
$408 AUD
£226 GBP
View
Price last confirmed 15 days ago
B+
Retailer 3
-
$451 AUD
$317 USD
View
A
Retailer 4
-
$599 AUD
€401 EUR
View
B+
Retailer 5
-
$947 AUD
$665 USD
View
B
Retailer 6
-
$1,166 AUD
$819 USD
View
Retailer 7
-
$1,470 AUD
£813 GBP
View
Price last confirmed 11 days ago
B
Retailer 8
-
$1,851 AUD
$1,300 USD
View
Most Expensive
B
Do Amore Diamonds
27-BA62FA767 · Oct 29
$2,562 AUD
$1,800 USD
View
8 more retailers have this diamond
Prices start from $396 AUDSave up to $2,166 AUD

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
$396 AUD