CaratHunter
Plans
Cushion|Lab Grown|IGI

1.02ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG778640051

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG778640051

Diamond specifications and retailer prices

From $450 NZD
$253 USD
As of October 26, 2026
Save $2,416 NZD (84%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,867 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.02ct lab-grown cushion diamond

This 1.02ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG778640051 or 778640051. Listed at 15 retailers as of October 26, 2026, with prices from $450 to $2,867, a $2,416 spread on the same certified stone. Brilliant Earth lists it at $2,867. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778640051
Dimensions7.24 × 4.93 × 3.46 mm
L/W Ratio1.47
Girdle conditionFaceted
Culet sizePointed
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
7.24 mm4.93 mm1.02 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778640051
Side View
Table 62.0%Crown 37°Girdle: MED-THKPavilion 39.6°Culet: NoneDepth 70.2%

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: Oct 26
Current: $2,867 NZD|Low: $450 NZD|High: $2,956 NZD|Avg: $1,261 NZD|-3.0%
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
Retailer 15
Retailer 16
October 30, 2026
Retailer 3$450 NZD
Retailer 15$500 NZD
Retailer 9$832 NZD
Retailer 4$849 NZD
Retailer 10$860 NZD
Retailer 8$890 NZD
Retailer 6$915 NZD
Retailer 2$934 NZD
Retailer 5$1,033 NZD
Retailer 11$1,221 NZD
Retailer 14$1,309 NZD
Retailer 16$1,578 NZD
Retailer 7$1,702 NZD
Retailer 13$2,017 NZD
Retailer 12$2,270 NZD
Brilliant Earth$2,867 NZD

42 data points across 16 retailers

15 retailers$450 NZD to $2,867 NZD

A
Cheapest Retailer
-
$450 NZD
$253 USD
Final sale: no returns
A
Retailer 2
-
$500 NZD
$281 USD
View
A
Retailer 3
-
$832 NZD
€445 EUR
View
A
Retailer 4
-
$849 NZD
$477 USD
View
A
Retailer 5
-
$860 NZD
ZAR 7,800 ZAR
View
A
Retailer 6
-
$915 NZD
$514 USD
View
A
Retailer 7
-
$934 NZD
£413 GBP
View
A
Retailer 8
-
$1,033 NZD
$580 USD
View
A
Retailer 9
-
$1,221 NZD
A$1,055 AUD
View
A
Retailer 10
-
$1,309 NZD
$735 USD
View
B+
Retailer 11
-
$1,578 NZD
SGD 1,198 SGD
View
B+
Retailer 12
-
$1,702 NZD
$956 USD
View
Retailer 13
-
$2,017 NZD
£892 GBP
View
Price last confirmed 9 days ago
Retailer 14
-
$2,270 NZD
$1,275 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
21417353A · Oct 29
$2,867 NZD
$1,610 USD
View
14 more retailers have this diamond
Prices start from $450 NZDSave up to $2,416 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
1.02ct Cushion
$450 NZD