Cushion|Lab Grown|IGI

4.10ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG762545819

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG762545819

Diamond specifications and retailer prices

From $5,979 NZD
$3,370 USD
As of October 30, 2026
Save $19,024 NZD (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $27,796 NZD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 4.1ct lab-grown cushion diamond

This 4.1ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG762545819 or 762545819. Listed at 15 retailers as of October 30, 2026, with a 318% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.10
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762545819
Dimensions10.56 × 8.72 × 5.76 mm
L/W Ratio1.21
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
10.56 mm8.72 mm4.10 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762545819
Side View
Table 60.0%Crown 34.4°Girdle: MED-STKPavilion 36.2°Culet: NoneDepth 66.1%

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 30
Current: $27,796 NZD|Low: $5,979 NZD|High: $34,741 NZD|Avg: $15,506 NZD|+1.6%
Novita 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
October 31, 2026
Retailer 11$5,979 NZD
Retailer 10$7,354 NZD
Retailer 3$8,153 NZD
Retailer 8$8,610 NZD
Retailer 2$10,493 NZD
Retailer 6$10,820 NZD
Retailer 5$11,764 NZD
Retailer 15$13,906 NZD
Retailer 12$14,909 NZD
Retailer 4$15,314 NZD
Retailer 7$18,885 NZD
Retailer 13$20,493 NZD
Retailer 14$22,830 NZD
Retailer 9$25,003 NZD
Novita Diamonds$27,796 NZD

40 data points across 15 retailers

15 retailers$5,979 NZD to $25,003 NZD

A
Cheapest Retailer
-
$5,979 NZD
$3,370 USD
A
Retailer 2
-
$7,354 NZD
$4,145 USD
View
A
Retailer 3
-
$8,153 NZD
HK$35,900 HKD
View
A
Retailer 4
-
$8,610 NZD
£3,821 GBP
View
A
Retailer 5
-
$10,493 NZD
€5,632 EUR
View
A
Retailer 6
-
$10,820 NZD
$6,098 USD
View
Retailer 7
-
$11,764 NZD
$6,630 USD
View
Price last confirmed 12 days ago
A
Retailer 8
-
$13,906 NZD
ZAR 126,614 ZAR
View
A
Retailer 9
-
$14,909 NZD
$8,403 USD
View
A
Retailer 10
-
$15,314 NZD
£6,796 GBP
View
B+
Retailer 11
-
$18,885 NZD
$10,644 USD
View
B+
Retailer 12
-
$20,493 NZD
$11,550 USD
View
B+
Retailer 13
-
$22,830 NZD
$12,867 USD
View
B+
Retailer 14
-
$25,003 NZD
$14,092 USD
View
Most Expensive
Novita Diamonds
cert_762545819 · Oct 8
$27,796 NZD
A$24,101 AUD
View
Price last confirmed 22 days ago
14 more retailers have this diamond
Prices start from $5,979 NZDSave up to $19,024 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
4.10ct Cushion
$5,979 NZD