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Marquise|Lab Grown|IGI

3.37ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG754508645

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754508645

Diamond specifications and retailer prices

From $4,998 USD
As of October 31, 2026
Save $16,900 USD (77%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $21,898 USD at With Clarity · As of October 31, 2026
View at With Clarity

About this 3.37ct lab-grown marquise diamond

This 3.37ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754508645 or 754508645. Listed at 15 retailers as of October 31, 2026, with prices from $4,998 to $21,898, a $16,900 spread on the same certified stone. With Clarity lists it at $21,898. 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

3.37
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508645
Dimensions15.22 × 7.81 × 4.95 mm
L/W Ratio1.95
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
15.22 mm7.81 mm3.37 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508645
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 63.4%

Caratlytics Score

How it works →
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 31
Current: $11,363 USD|Low: $4,407 USD|High: $25,752 USD|Avg: $11,653 USD|-14.6%
Retailer 1
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
With Clarity
November 1, 2026
Retailer 7$4,407 USD
Retailer 15$4,998 USD
Retailer 13$5,115 USD
Retailer 3$6,912 USD
Retailer 8$7,139 USD
Retailer 12$7,925 USD
Retailer 2$8,475 USD
Retailer 11$9,044 USD
Retailer 5$10,299 USD
Retailer 1$11,363 USD
Retailer 9$12,280 USD
Retailer 10$12,742 USD
Retailer 14$14,828 USD
Retailer 6$19,650 USD
Retailer 4$19,990 USD
With Clarity$21,898 USD

38 data points across 16 retailers

15 retailers$4,998 USD to $21,898 USD

A
Cheapest Retailer
-
$4,998 USD
A
Retailer 2
-
$5,115 USD
View
B+
Retailer 3
-
$6,912 USD
HK$54,000 HKD
View
B+
Retailer 4
-
$7,139 USD
£5,622 GBP
View
Retailer 5
-
$7,925 USD
View
Price last confirmed 11 days ago
B+
Retailer 6
-
$8,475 USD
View
B+
Retailer 7
-
$9,044 USD
€8,613 EUR
View
B+
Retailer 8
-
$10,299 USD
View
B+
Retailer 9
-
$11,363 USD
£8,947 GBP
View
B+
Retailer 10
-
$12,280 USD
View
B+
Retailer 11
-
$12,742 USD
ZAR 205,847 ZAR
View
Retailer 12
-
$14,828 USD
View
Price last confirmed 8 days ago
B
Retailer 13
-
$19,650 USD
View
B
Retailer 14
-
$19,990 USD
SGD 27,014 SGD
View
Most Expensive
B
With Clarity
754508645 · Oct 31
$21,898 USD
View
14 more retailers have this diamond
Prices start from $4,998 USDSave up to $16,900 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
3.37ct Marquise
$4,998 USD