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Cushion|Lab Grown|IGI

1.03ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG840630346

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840630346

Diamond specifications and retailer prices

From $875 NZD
$493 USD
As of November 1, 2026
Save $2,087 NZD (70%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,961 NZD at Helzberg Diamonds · As of October 31, 2026
View at Helzberg Diamonds

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840630346 or 840630346. Listed at 16 retailers as of October 31, 2026, with prices from $875 to $2,961, a $2,087 spread on the same certified stone. Helzberg Diamonds lists it at $2,961. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840630346
Dimensions7.58 × 4.90 × 3.39 mm
L/W Ratio1.55
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
7.58 mm4.90 mm1.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840630346
Side View
Table 64.0%Crown 35.3°Girdle: STK-THKPavilion 34.4°Culet: NoneDepth 69.2%

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: Nov 1
Current: $2,961 NZD|Low: $516 NZD|High: $3,531 NZD|Avg: $1,517 NZD
Helzberg Diamonds
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
Retailer 15
Retailer 16
November 1, 2026
Retailer 16$516 NZD
Retailer 3$535 NZD
Retailer 7$875 NZD
Retailer 13$888 NZD
Retailer 6$930 NZD
Retailer 9$968 NZD
Retailer 10$1,000 NZD
Retailer 4$1,029 NZD
Retailer 14$1,261 NZD
Retailer 11$1,356 NZD
Retailer 8$1,633 NZD
Retailer 5$1,753 NZD
Retailer 2$2,071 NZD
Retailer 15$2,431 NZD
Retailer 12$2,502 NZD
Helzberg Diamonds$2,961 NZD

20 data points across 16 retailers

16 retailers$875 NZD to $2,961 NZD

Retailer 1
-
$516 NZD
$291 USD
Price last confirmed 7 days ago
Retailer 2
-
$535 NZD
£237 GBP
View
Price last confirmed 15 days ago
A
Retailer 3
-
$875 NZD
$493 USD
View
A
Retailer 4
-
$888 NZD
ZAR 8,082 ZAR
View
A
Retailer 5
-
$930 NZD
$524 USD
View
A
Retailer 6
-
$968 NZD
£430 GBP
View
A
Retailer 7
-
$1,000 NZD
€537 EUR
View
A
Retailer 8
-
$1,029 NZD
$580 USD
View
A
Retailer 9
-
$1,261 NZD
A$1,093 AUD
View
A
Retailer 10
-
$1,356 NZD
$764 USD
View
B+
Retailer 11
-
$1,633 NZD
SGD 1,244 SGD
View
B+
Retailer 12
-
$1,753 NZD
$988 USD
View
B+
Retailer 13
-
$2,071 NZD
£919 GBP
View
Retailer 14
-
$2,431 NZD
$1,370 USD
View
Price last confirmed 13 days ago
B+
Retailer 15
-
$2,502 NZD
$1,410 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMJGJKM · Oct 31
$2,961 NZD
$1,669 USD
View
15 more retailers have this diamond
Prices start from $875 NZDSave up to $2,087 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
$875 NZD