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Cushion|Lab Grown|IGI

1.85ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG735510595

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

Certificate IGI LG735510595

Diamond specifications and retailer prices

From $1,107 NZD
$622 USD
As of October 28, 2026
Save $5,783 NZD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $6,891 NZD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.85ct lab-grown cushion diamond

This 1.85ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG735510595 or 735510595. Listed at 18 retailers as of October 28, 2026, with prices from $1,107 to $6,891, a $5,783 spread on the same certified stone. Brilliant Earth lists it at $6,891. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.85
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735510595
Dimensions7.32 × 7.14 × 4.76 mm
L/W Ratio1.03
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
7.32 mm7.14 mm1.85 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735510595
Side View
Table 64.0%Crown 35.1°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 66.7%

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: $6,891 NZD|Low: $1,107 NZD|High: $7,318 NZD|Avg: $3,056 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
Retailer 17
Retailer 18
October 29, 2026
Retailer 3$1,107 NZD
Retailer 10$1,307 NZD
Retailer 7$1,345 NZD
Retailer 14$1,415 NZD
Retailer 16$1,634 NZD
Retailer 11$1,877 NZD
Retailer 4$1,891 NZD
Retailer 2$1,905 NZD
Retailer 13$2,106 NZD
Retailer 17$2,765 NZD
Retailer 9$3,272 NZD
Retailer 15$3,582 NZD
Retailer 6$3,872 NZD
Retailer 18$3,975 NZD
Retailer 5$4,143 NZD
Retailer 8$4,264 NZD
Retailer 12$5,350 NZD
Brilliant Earth$6,891 NZD

42 data points across 18 retailers

18 retailers$1,107 NZD to $6,891 NZD

A
Cheapest Retailer
-
$1,107 NZD
$622 USD
Final sale: no returns
A
Retailer 2
-
$1,307 NZD
$734 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
$1,345 NZD
HK$5,900 HKD
View
A
Retailer 4
-
$1,415 NZD
$795 USD
View
A
Retailer 5
-
$1,634 NZD
$918 USD
View
A
Retailer 6
-
$1,877 NZD
€1,004 EUR
View
A
Retailer 7
-
$1,891 NZD
$1,062 USD
View
A
Retailer 8
-
$1,905 NZD
£843 GBP
View
A
Retailer 9
-
$2,106 NZD
ZAR 19,111 ZAR
View
A
Retailer 10
-
$2,765 NZD
$1,553 USD
View
B+
Retailer 11
-
$3,272 NZD
A$2,827 AUD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$3,582 NZD
£1,584 GBP
View
B+
Retailer 13
-
$3,872 NZD
SGD 2,939 SGD
View
B+
Retailer 14
-
$3,975 NZD
$2,233 USD
View
B+
Retailer 15
-
$4,143 NZD
$2,327 USD
View
B+
Retailer 16
-
$4,264 NZD
$2,395 USD
View
B+
Retailer 17
-
$5,350 NZD
£2,366 GBP
View
Most Expensive
B
Brilliant Earth
19055718A · Oct 28
$6,891 NZD
$3,870 USD
View
17 more retailers have this diamond
Prices start from $1,107 NZDSave up to $5,783 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
1.85ct Cushion
$1,107 NZD