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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 $9,994 AUD
$7,020 USD
As of October 31, 2026
Save $45,911 AUD (82%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $55,905 AUD 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 $9,994 to $55,905, a $45,911 spread on the same certified stone. Do Amore Diamonds lists it at $55,905. 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: $55,905 AUD|Low: $5,495 AUD|High: $55,905 AUD|Avg: $16,919 AUD|+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$9,994 AUD
Retailer 8$10,498 AUD
Retailer 9$14,717 AUD
Retailer 3$16,322 AUD
Retailer 2$22,092 AUD
Retailer 4$27,554 AUD
Retailer 6$34,991 AUD
Retailer 7$37,936 AUD
Do Amore Diamonds$55,905 AUD

29 data points across 9 retailers

8 retailers$9,994 AUD to $55,905 AUD

A
Cheapest Retailer
-
$9,994 AUD
$7,020 USD
A
Retailer 2
-
$10,498 AUD
$7,374 USD
View
Final sale: no returns
B+
Retailer 3
-
$16,322 AUD
$11,465 USD
View
B
Retailer 4
-
$22,092 AUD
£12,219 GBP
View
B
Retailer 5
-
$27,554 AUD
$19,355 USD
View
B
Retailer 6
-
$34,991 AUD
£19,354 GBP
View
B
Retailer 7
-
$37,936 AUD
$26,648 USD
View
Most Expensive
B
Do Amore Diamonds
20-E90949 · Oct 31
$55,905 AUD
$39,270 USD
View
7 more retailers have this diamond
Prices start from $9,994 AUDSave up to $45,911 AUD

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
$9,994 AUD