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Marquise|Lab Grown|IGI

4.09ct D IF Marquise Lab Grown Diamond

VG • D/IF • IGI LG762544610

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG762544610

Diamond specifications and retailer prices

From $10,745 USD
As of October 28, 2026
Save $29,613 USD (73%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $40,358 USD at Cape Diamonds · As of October 29, 2026
View at Cape Diamonds

About this 4.09ct lab-grown marquise diamond

This 4.09ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG762544610 or 762544610. Listed at 13 retailers as of October 28, 2026, with prices from $10,745 to $40,358, a $29,613 spread on the same certified stone. Cape Diamonds lists it at $40,358. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.09
Carat
D
Color
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762544610
Dimensions16.54 × 8.41 × 5.24 mm
L/W Ratio1.97
Girdle conditionFaceted
Culet sizePointed
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
16.54 mm8.41 mm4.09 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762544610
Side View
Table 61.0%Crown 34.9°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.3%

Caratlytics Score

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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 28
Current: $40,358 USD|Low: $9,570 USD|High: $52,908 USD|Avg: $25,970 USD|-10.8%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 29, 2026
Retailer 9$10,745 USD
Retailer 5$12,649 USD
Retailer 6$13,108 USD
Retailer 14$14,525 USD
Retailer 10$16,998 USD
Retailer 12$20,710 USD
Retailer 2$20,863 USD
Retailer 8$29,940 USD
Retailer 13$31,038 USD
Retailer 4$32,232 USD
Retailer 7$32,272 USD
Retailer 11$33,233 USD
Cape Diamonds$40,358 USD
Retailer 3$52,908 USD

28 data points across 14 retailers

13 retailers$10,745 USD to $40,358 USD

A
Cheapest Retailer
-
$10,745 USD
B+
Retailer 2
-
$12,649 USD
View
B+
Retailer 3
-
$14,525 USD
View
B+
Retailer 4
-
$16,998 USD
View
B
Retailer 5
-
$20,710 USD
View
B+
Retailer 6
-
$20,863 USD
£16,428 GBP
View
B
Retailer 7
-
$29,940 USD
£23,575 GBP
View
B
Retailer 8
-
$31,038 USD
View
B
Retailer 9
-
$32,272 USD
€30,735 EUR
View
Retailer 10
-
$33,233 USD
A$51,128 AUD
View
Price last confirmed 22 days ago
Most Expensive
B
Cape Diamonds
cert_762544610 · Oct 29
$40,358 USD
ZAR 651,988 ZAR
View
10 more retailers have this diamond
Prices start from $10,745 USDSave up to $29,613 USD

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
4.09ct Marquise
$10,745 USD