CaratHunter
Plans
Marquise|Lab Grown|IGI

4.03ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG814643389

Shape and cutting style on the report: Hexagonal modified brilliant

Certificate IGI LG814643389

Diamond specifications and retailer prices

From $12,477 NZD
$7,020 USD
As of October 31, 2026
Save $57,318 NZD (82%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $69,795 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG814643389 or 814643389. Listed at 8 retailers as of October 31, 2026, with prices from $12,477 to $69,795, a $57,318 spread on the same certified stone. Do Amore Diamonds lists it at $69,795. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG814643389
Dimensions15.54 × 7.65 × 5.00 mm
L/W Ratio2.03
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.54 mm7.65 mm4.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG814643389
Side View
Table 66.0%Crown 35.9°Girdle: MED-THKPavilion 36.1°Culet: NoneDepth 65.4%

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: $69,795 NZD|Low: $6,860 NZD|High: $69,795 NZD|Avg: $21,150 NZD|+91.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 5$12,477 NZD
Retailer 8$13,106 NZD
Retailer 9$18,374 NZD
Retailer 3$20,377 NZD
Retailer 2$27,580 NZD
Retailer 4$34,400 NZD
Retailer 6$43,685 NZD
Retailer 7$47,362 NZD
Do Amore Diamonds$69,795 NZD

28 data points across 9 retailers

8 retailers$12,477 NZD to $69,795 NZD

A
Cheapest Retailer
-
$12,477 NZD
$7,020 USD
A
Retailer 2
-
$13,106 NZD
$7,374 USD
View
Final sale: no returns
B+
Retailer 3
-
$20,377 NZD
$11,465 USD
View
B
Retailer 4
-
$27,580 NZD
£12,219 GBP
View
B
Retailer 5
-
$34,400 NZD
$19,355 USD
View
B
Retailer 6
-
$43,685 NZD
£19,354 GBP
View
B
Retailer 7
-
$47,362 NZD
$26,648 USD
View
Most Expensive
B
Do Amore Diamonds
20-E90949 · Oct 31
$69,795 NZD
$39,270 USD
View
7 more retailers have this diamond
Prices start from $12,477 NZDSave up to $57,318 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
$12,477 NZD