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Cushion|Lab Grown|IGI

5.03ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG831644538

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG831644538

Diamond specifications and retailer prices

From $15,398 NZD
HK$67,800 HKD
As of October 31, 2026
Save $42,015 NZD (73%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $57,413 NZD at With Clarity · As of October 31, 2026
View at With Clarity

About this 5.03ct lab-grown cushion diamond

This 5.03ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831644538 or 831644538. Listed at 12 retailers as of October 31, 2026, with prices from $15,398 to $57,413, a $42,015 spread on the same certified stone. With Clarity lists it at $57,413. 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

5.03
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831644538
Dimensions11.56 × 9.14 × 5.97 mm
L/W Ratio1.26
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
11.56 mm9.14 mm5.03 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831644538
Side View
Table 60.0%Crown 35.9°Girdle: THK-VTKPavilion 34.6°Culet: NoneDepth 65.3%

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 31
Current: $40,203 NZD|Low: $15,398 NZD|High: $57,413 NZD|Avg: $30,163 NZD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
With Clarity
November 1, 2026
Retailer 9$15,398 NZD
Retailer 7$17,519 NZD
Retailer 3$17,857 NZD
Retailer 10$22,179 NZD
Retailer 4$23,644 NZD
Retailer 5$26,224 NZD
Retailer 6$28,021 NZD
Retailer 2$38,876 NZD
Retailer 1$40,203 NZD
Retailer 8$48,525 NZD
With Clarity$57,413 NZD

22 data points across 11 retailers

12 retailers$15,398 NZD to $57,413 NZD

A
Cheapest Retailer
-
$15,398 NZD
HK$67,800 HKD
A
Retailer 2
-
$17,519 NZD
$9,874 USD
View
A
Retailer 3
-
$17,857 NZD
£7,924 GBP
View
A
Retailer 4
-
$22,179 NZD
$12,500 USD
View
A
Retailer 5
-
$23,644 NZD
€12,691 EUR
View
B+
Retailer 6
-
$26,224 NZD
$14,780 USD
View
B+
Retailer 7
-
$28,021 NZD
£12,435 GBP
View
B+
Retailer 8
-
$38,547 NZD
$21,725 USD
View
B+
Retailer 9
-
$38,876 NZD
$21,911 USD
View
B
Retailer 10
-
$40,203 NZD
A$34,859 AUD
View
B
Retailer 11
-
$48,525 NZD
$27,349 USD
View
Most Expensive
B
With Clarity
831644538 · Oct 31
$57,413 NZD
$32,358 USD
View
11 more retailers have this diamond
Prices start from $15,398 NZDSave up to $42,015 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
5.03ct Cushion
$15,398 NZD