Marquise|Lab Grown|IGI

3.59ct E SI2 Marquise Lab Grown Diamond

EX • E/SI2 • IGI LG739585167

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG739585167

Diamond specifications and retailer prices

From $967 USD
As of October 30, 2026
Save $897 USD (48%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,564 USD at MOH London · As of October 15, 2026
View at MOH London

About this 3.59ct lab-grown marquise diamond

This 3.59ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG739585167 or 739585167. Listed at 13 retailers as of October 30, 2026, with a 93% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.59
Carat
E
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739585167
Dimensions15.74 × 8.02 × 4.97 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.74 mm8.02 mm3.59 ctE / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739585167
Side View
Table 57.0%Crown 35.1°Girdle: STK-THKPavilion 39°Culet: NoneDepth 62.0%

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 30
Current: $3,564 USD|Low: $705 USD|High: $61,030 USD|Avg: $6,346 USD|-0.1%
MOH London
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
October 26, 2026
Retailer 11$735 USD
Retailer 15$799 USD
Retailer 3$852 USD
Retailer 12$852 USD
Retailer 4$967 USD
Retailer 6$1,067 USD
Retailer 14$1,168 USD
Retailer 9$1,356 USD
Retailer 10$1,466 USD
Retailer 2$1,864 USD
Retailer 8$2,099 USD
Retailer 5$2,211 USD
Retailer 13$2,645 USD
MOH London$3,564 USD
Retailer 7$61,030 USD

30 data points across 15 retailers

13 retailers$967 USD to $1,864 USD

Retailer 1
-
$735 USD
Price last confirmed 23 days ago
Retailer 2
-
$799 USD
View
Price last confirmed 16 days ago
Retailer 3
-
$852 USD
View
Price last confirmed 19 days ago
Retailer 4
-
$852 USD
View
Price last confirmed 28 days ago
A
Retailer 5
-
$967 USD
View
Retailer 6
-
$1,168 USD
View
Price last confirmed 15 days ago
Retailer 7
-
$1,356 USD
£1,068 GBP
View
Price last confirmed 15 days ago
Retailer 8
-
$1,466 USD
£1,155 GBP
View
Price last confirmed 15 days ago
B+
Retailer 9
-
$1,864 USD
A$2,868 AUD
View
Retailer 10
-
$2,099 USD
View
Price last confirmed 15 days ago
Retailer 11
-
$2,211 USD
View
Price last confirmed 7 days ago
Retailer 12
-
$2,645 USD
View
Price last confirmed 15 days ago
Most Expensive
MOH London
LG739585167 · Oct 15
$3,564 USD
£2,806 GBP
View
Price last confirmed 16 days ago
12 more retailers have this diamond
Prices start from $967 USDSave up to $897 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
3.59ct Marquise
$967 USD