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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 $8,974 SGD
$7,020 USD
As of October 31, 2026
Save $41,228 SGD (82%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $50,203 SGD 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 $8,974 to $50,203, a $41,228 spread on the same certified stone. Do Amore Diamonds lists it at $50,203. 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: $50,203 SGD|Low: $4,935 SGD|High: $50,203 SGD|Avg: $15,183 SGD|+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 3$8,974 SGD
Retailer 6$9,427 SGD
Retailer 9$13,216 SGD
Retailer 8$13,331 SGD
Retailer 7$18,639 SGD
Retailer 2$24,744 SGD
Retailer 4$31,423 SGD
Retailer 5$34,067 SGD
Do Amore Diamonds$50,203 SGD

29 data points across 9 retailers

8 retailers$8,974 SGD to $50,203 SGD

A
Cheapest Retailer
-
$8,974 SGD
$7,020 USD
A
Retailer 2
-
$9,427 SGD
$7,374 USD
View
Final sale: no returns
Retailer 3
-
$13,331 SGD
$10,428 USD
View
Price last confirmed 17 days ago
Retailer 4
-
$18,639 SGD
£11,480 GBP
View
Price last confirmed 17 days ago
B
Retailer 5
-
$24,744 SGD
$19,355 USD
View
B
Retailer 6
-
$31,423 SGD
£19,354 GBP
View
B
Retailer 7
-
$34,067 SGD
$26,648 USD
View
Most Expensive
B
Do Amore Diamonds
20-E90949 · Oct 31
$50,203 SGD
$39,270 USD
View
7 more retailers have this diamond
Prices start from $8,974 SGDSave up to $41,228 SGD

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
$8,974 SGD