Marquise|Lab Grown|IGI

4.03ct D FL Marquise Lab Grown Diamond

ID • D/FL

Diamond specifications and retailer prices

From $15,965 NZD
$8,998 USD
As of October 30, 2026
Save $18,036 NZD (53%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $34,001 NZD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 4.03ct lab-grown marquise diamond

This 4.03ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI. Listed at 7 retailers as of October 30, 2026, with prices from $15,965 to $34,001, a $18,036 spread on the same certified stone. Blue Nile lists it at $34,001. 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

4.03
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions16.18 × 8.39 × 5.24 mm
L/W Ratio1.93
Top View
16.18 mm8.39 mm4.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 60.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.5%

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 30
Current: $34,001 NZD|Low: $15,965 NZD|High: $144,064 NZD|Avg: $36,236 NZD|+57.9%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 4$15,965 NZD
Retailer 2$16,604 NZD
Retailer 3$18,520 NZD
Retailer 6$18,520 NZD
Retailer 5$19,159 NZD
Retailer 7$20,307 NZD
Blue Nile$34,001 NZD
Retailer 8$144,064 NZD

9 data points across 8 retailers

7 retailers$15,965 NZD to $34,001 NZD

A
Cheapest Retailer
-
$15,965 NZD
$8,998 USD
A
Retailer 2
-
$16,604 NZD
$9,358 USD
View
Retailer 3
-
$18,520 NZD
$10,438 USD
View
Price last confirmed 16 days ago
A
Retailer 4
-
$18,520 NZD
$10,438 USD
View
A
Retailer 5
-
$19,159 NZD
$10,798 USD
View
Retailer 6
-
$20,307 NZD
$11,445 USD
View
Price last confirmed 19 days ago
Most Expensive
B
Blue Nile
28770757 · Oct 31
$34,001 NZD
$19,163 USD
View
6 more retailers have this diamond
Prices start from $15,965 NZDSave up to $18,036 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
4.03ct Marquise
$15,965 NZD