CaratHunter
Plans
Marquise|Lab Grown|IGI

4.02ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG743593708

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG743593708

Diamond specifications and retailer prices

From $10,580 USD
As of October 28, 2026
Save $29,096 USD (73%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: $39,676 USD at Cape Diamonds · As of October 29, 2026
View at Cape Diamonds

About this 4.02ct lab-grown marquise diamond

This 4.02ct 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 LG743593708 or 743593708. Listed at 31 retailers as of October 28, 2026, with prices from $10,580 to $39,676, a $29,096 spread on the same certified stone. Cape Diamonds lists it at $39,676. 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

4.02
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743593708
Dimensions8.43 × 8.43 × 5.12 mm
L/W Ratio1.00
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
8.43 mm8.43 mm4.02 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743593708
Side View
Table 60.0%Crown 33.9°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.7%

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 28
Current: $39,676 USD|Low: $9,424 USD|High: $69,674 USD|Avg: $27,402 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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
October 29, 2026
Retailer 22$10,580 USD
Retailer 18$12,433 USD
Retailer 12$14,283 USD
Retailer 7$14,557 USD
Retailer 9$14,907 USD
Retailer 23$15,605 USD
Retailer 10$16,653 USD
Retailer 25$16,712 USD
Retailer 24$17,382 USD
Retailer 8$17,469 USD
Retailer 14$20,092 USD
Retailer 21$20,360 USD
Retailer 2$21,048 USD
Retailer 15$26,700 USD
Retailer 19$29,435 USD
Retailer 5$30,513 USD
Retailer 17$31,686 USD
Retailer 13$31,719 USD
Retailer 6$32,668 USD
Cape Diamonds$39,676 USD
Retailer 20$40,520 USD
Retailer 3$46,468 USD
Retailer 16$52,003 USD
Retailer 4$65,220 USD
Retailer 11$69,674 USD

31 data points across 25 retailers

31 retailers$10,580 USD to $39,676 USD

A
Cheapest Retailer
-
$10,580 USD
B+
Retailer 2
-
$12,433 USD
View
B+
Retailer 3
-
$14,283 USD
View
B+
Retailer 4
-
$14,557 USD
View
Retailer 5
-
$14,557 USD
View
Price last confirmed 23 days ago
Retailer 6
-
$14,557 USD
View
Price last confirmed 31 days ago
Retailer 7
-
$14,907 USD
View
Price last confirmed 32 days ago
Retailer 8
-
$15,605 USD
£12,288 GBP
View
Price last confirmed 14 days ago
Retailer 9
-
$16,653 USD
View
Price last confirmed 32 days ago
B+
Retailer 10
-
$16,712 USD
View
Retailer 11
-
$16,886 USD
View
Price last confirmed 28 days ago
Retailer 12
-
$16,886 USD
View
Price last confirmed 20 days ago
B+
Retailer 13
-
$17,382 USD
View
B+
Retailer 14
-
$17,469 USD
View
Retailer 15
-
$17,469 USD
View
Price last confirmed 30 days ago
Retailer 16
-
$17,469 USD
View
Price last confirmed 21 days ago
B
Retailer 17
-
$20,092 USD
View
Final sale: no returns
B+
Retailer 18
-
$20,360 USD
View
B+
Retailer 19
-
$21,048 USD
£16,573 GBP
View
B
Retailer 20
-
$26,700 USD
£21,024 GBP
View
B
Retailer 21
-
$29,435 USD
£23,177 GBP
View
B
Retailer 22
-
$30,513 USD
View
B
Retailer 23
-
$31,719 USD
€30,209 EUR
View
Retailer 24
-
$32,668 USD
A$50,259 AUD
View
Price last confirmed 22 days ago
Most Expensive
B
Cape Diamonds
cert_743593708 · Oct 29
$39,676 USD
ZAR 640,974 ZAR
View
24 more retailers have this diamond
Prices start from $10,580 USDSave up to $29,096 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
4.02ct Marquise
$10,580 USD