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Cushion|Lab Grown|IGI

3.85ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG735568369

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG735568369

Diamond specifications and retailer prices

From $2,920 NZD
$1,646 USD
As of October 31, 2026
Save $13,368 NZD (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $16,288 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.85ct lab-grown cushion diamond

This 3.85ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG735568369 or 735568369. Listed at 20 retailers as of October 31, 2026, with prices from $2,920 to $16,288, a $13,368 spread on the same certified stone. Brilliant Earth lists it at $16,288. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.85
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735568369
Dimensions8.49 × 8.49 × 5.73 mm
L/W Ratio1.00
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
8.49 mm8.49 mm3.85 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735568369
Side View
Table 63.0%Crown 35.5°Girdle: MED-THKPavilion 40.5°Culet: NoneDepth 67.5%

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: $16,288 NZD|Low: $2,920 NZD|High: $16,803 NZD|Avg: $7,070 NZD|-3.1%
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
Retailer 19
November 1, 2026
Retailer 14$2,920 NZD
Retailer 9$3,025 NZD
Retailer 15$3,327 NZD
Retailer 6$3,595 NZD
Retailer 12$4,272 NZD
Retailer 3$4,551 NZD
Retailer 16$4,824 NZD
Retailer 13$4,827 NZD
Retailer 2$6,833 NZD
Retailer 17$7,027 NZD
Retailer 11$7,301 NZD
Retailer 5$7,768 NZD
Retailer 7$7,853 NZD
Retailer 18$8,689 NZD
Retailer 4$8,856 NZD
Retailer 10$9,310 NZD
Retailer 8$10,654 NZD
Retailer 19$11,125 NZD
Brilliant Earth$16,288 NZD

34 data points across 19 retailers

20 retailers$2,920 NZD to $16,288 NZD

A
Cheapest Retailer
-
$2,920 NZD
$1,646 USD
Final sale: no returns
Retailer 2
-
$3,025 NZD
$1,705 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
$3,327 NZD
$1,875 USD
View
A
Retailer 4
-
$3,595 NZD
$2,026 USD
View
A
Retailer 5
-
$4,272 NZD
£1,896 GBP
View
Retailer 6
-
$4,393 NZD
£1,950 GBP
View
Price last confirmed 20 days ago
A
Retailer 7
-
$4,551 NZD
$2,565 USD
View
A
Retailer 8
-
$4,824 NZD
$2,719 USD
View
A
Retailer 9
-
$4,827 NZD
€2,591 EUR
View
A
Retailer 10
-
$6,833 NZD
A$5,925 AUD
View
A
Retailer 11
-
$7,027 NZD
ZAR 63,977 ZAR
View
A
Retailer 12
-
$7,301 NZD
£3,240 GBP
View
A
Retailer 13
-
$7,768 NZD
$4,378 USD
View
A
Retailer 14
-
$7,853 NZD
$4,426 USD
View
A
Retailer 15
-
$8,689 NZD
£3,856 GBP
View
B+
Retailer 16
-
$8,856 NZD
$4,991 USD
View
B+
Retailer 17
-
$9,310 NZD
$5,247 USD
View
B+
Retailer 18
-
$10,654 NZD
$6,005 USD
View
Retailer 19
-
$11,125 NZD
$6,270 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
15946699A · Oct 31
$16,288 NZD
$9,180 USD
View
19 more retailers have this diamond
Prices start from $2,920 NZDSave up to $13,368 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
3.85ct Cushion
$2,920 NZD