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Cushion|Lab Grown|IGI

1.03ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG818657595

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

Certificate IGI LG818657595

Diamond specifications and retailer prices

From $725 NZD
$407 USD
As of October 28, 2026
Save $4,049 NZD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,774 NZD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.03ct lab-grown cushion diamond

This 1.03ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818657595 or 818657595. Listed at 14 retailers as of October 28, 2026, with prices from $725 to $4,774, a $4,049 spread on the same certified stone. Brilliant Earth lists it at $4,774. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818657595
Dimensions6.02 × 5.84 × 3.88 mm
L/W Ratio1.03
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
6.02 mm5.84 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818657595
Side View
Table 60.0%Crown 34.6°Girdle: MED-STKPavilion 41°Culet: NoneDepth 66.4%

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 28
Current: $4,774 NZD|Low: $522 NZD|High: $4,774 NZD|Avg: $1,809 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 29, 2026
Retailer 12$725 NZD
Retailer 6$812 NZD
Retailer 10$1,113 NZD
Retailer 4$1,122 NZD
Retailer 13$1,290 NZD
Retailer 11$1,293 NZD
Retailer 3$1,358 NZD
Retailer 7$1,385 NZD
Retailer 9$1,445 NZD
Retailer 5$2,441 NZD
Retailer 14$2,663 NZD
Retailer 8$3,064 NZD
Retailer 2$3,168 NZD
Brilliant Earth$4,774 NZD

37 data points across 14 retailers

14 retailers$725 NZD to $4,774 NZD

A
Cheapest Retailer
-
$725 NZD
$407 USD
Final sale: no returns
A
Retailer 2
-
$812 NZD
$456 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$1,113 NZD
$625 USD
View
A
Retailer 4
-
$1,122 NZD
$630 USD
View
A
Retailer 5
-
$1,290 NZD
$724 USD
View
A
Retailer 6
-
$1,293 NZD
€691 EUR
View
A
Retailer 7
-
$1,358 NZD
$762 USD
View
A
Retailer 8
-
$1,385 NZD
ZAR 12,562 ZAR
View
A
Retailer 9
-
$1,445 NZD
£639 GBP
View
B+
Retailer 10
-
$2,441 NZD
$1,370 USD
View
Price last confirmed 10 days ago
B
Retailer 11
-
$2,663 NZD
$1,495 USD
View
B
Retailer 12
-
$3,064 NZD
$1,720 USD
View
B+
Retailer 13
-
$3,168 NZD
£1,400 GBP
View
Most Expensive
B
Brilliant Earth
21241770A · Oct 28
$4,774 NZD
$2,680 USD
View
13 more retailers have this diamond
Prices start from $725 NZDSave up to $4,049 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
1.03ct Cushion
$725 NZD