CaratHunter
Plans
Marquise|Lab Grown|IGI

4.00ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG762545824

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG762545824

Diamond specifications and retailer prices

From $12,371 USD
As of October 31, 2026
Save $19,740 USD (61%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $32,111 USD at Novita Diamonds · As of November 1, 2026
View at Novita Diamonds

About this 4ct lab-grown marquise diamond

This 4ct 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 LG762545824 or 762545824. Listed at 10 retailers as of October 31, 2026, with prices from $12,371 to $32,111, a $19,740 spread on the same certified stone. Novita Diamonds lists it at $32,111. 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

4.00
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762545824
Dimensions16.04 × 8.28 × 5.23 mm
L/W Ratio1.94
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
16.04 mm8.28 mm4.00 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762545824
Side View
Table 61.0%Crown 36°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.2%

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: $32,111 USD|Low: $11,725 USD|High: $51,744 USD|Avg: $26,301 USD|+2.6%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 6$11,725 USD
Retailer 11$12,371 USD
Retailer 9$14,214 USD
Retailer 7$16,631 USD
Retailer 2$20,944 USD
Retailer 8$20,970 USD
Retailer 5$29,290 USD
Retailer 4$31,561 USD
Novita Diamonds$32,111 USD
Retailer 3$46,218 USD
Retailer 10$51,744 USD

27 data points across 11 retailers

10 retailers$12,371 USD to $32,111 USD

A
Cheapest Retailer
-
$12,371 USD
B+
Retailer 2
-
$14,214 USD
View
B+
Retailer 3
-
$16,631 USD
View
B+
Retailer 4
-
$20,944 USD
£16,491 GBP
View
B
Retailer 5
-
$20,970 USD
View
B
Retailer 6
-
$29,290 USD
£23,063 GBP
View
B
Retailer 7
-
$31,561 USD
€30,058 EUR
View
Most Expensive
B
Novita Diamonds
cert_762545824 · Nov 1
$32,111 USD
A$49,401 AUD
View
7 more retailers have this diamond
Prices start from $12,371 USDSave up to $19,740 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
4.00ct Marquise
$12,371 USD