Cushion|Lab Grown|IGI

3.53ct D SI1 Cushion Lab Grown Diamond

EX • D/SI1 • IGI LG660451469

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG660451469

Diamond specifications and retailer prices

From $1,373 NZD
$774 USD
As of October 31, 2026
Save $9,521 NZD (87%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $10,894 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.53ct lab-grown cushion diamond

This 3.53ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG660451469 or 660451469. Listed at 11 retailers as of October 31, 2026, with prices from $1,373 to $10,894, a $9,521 spread on the same certified stone. Do Amore Diamonds lists it at $10,894. 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

3.53
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG660451469
Dimensions10.99 × 7.81 × 5.35 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.99 mm7.81 mm3.53 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660451469
Side View
Table 64.0%Crown 33.8°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 68.5%

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: Oct 31
Current: $10,894 NZD|Low: $1,373 NZD|High: $12,491 NZD|Avg: $3,806 NZD|-12.8%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 9$1,373 NZD
Retailer 5$1,739 NZD
Retailer 10$2,009 NZD
Retailer 8$2,127 NZD
Retailer 6$2,302 NZD
Retailer 2$2,407 NZD
Retailer 11$2,509 NZD
Retailer 7$4,861 NZD
Retailer 3$5,618 NZD
Retailer 4$5,920 NZD
Do Amore Diamonds$10,894 NZD

23 data points across 11 retailers

11 retailers$1,373 NZD to $10,894 NZD

A
Cheapest Retailer
-
$1,373 NZD
$774 USD
Final sale: no returns
A
Retailer 2
-
$1,739 NZD
$980 USD
View
A
Retailer 3
-
$2,009 NZD
$1,132 USD
View
A
Retailer 4
-
$2,127 NZD
$1,199 USD
View
Retailer 5
-
$2,302 NZD
£1,021 GBP
View
Price last confirmed 15 days ago
A
Retailer 6
-
$2,407 NZD
£1,068 GBP
View
B+
Retailer 7
-
$2,509 NZD
$1,414 USD
View
B
Retailer 8
-
$4,861 NZD
$2,740 USD
View
B
Retailer 9
-
$5,618 NZD
$3,166 USD
View
B
Retailer 10
-
$5,920 NZD
£2,627 GBP
View
Most Expensive
B
Do Amore Diamonds
27-E2DE8C48D · Oct 31
$10,894 NZD
$6,140 USD
View
10 more retailers have this diamond
Prices start from $1,373 NZDSave up to $9,521 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
3.53ct Cushion
$1,373 NZD