CaratHunter
Plans
Marquise|Lab Grown|IGI

2.09ct D SI1 Marquise Lab Grown Diamond

EX • D/SI1 • IGI LG837631504

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837631504

Diamond specifications and retailer prices

From £219 GBP
$293 USD
As of October 31, 2026
Save £221 GBP (50%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £440 GBP at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

About this 2.09ct lab-grown marquise diamond

This 2.09ct lab-grown marquise sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG837631504 or 837631504. Listed at 2 retailers as of October 31, 2026, with prices from £219 to £440, a £221 spread on the same certified stone. 77 Diamonds lists it at £440. 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

2.09
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837631504
Dimensions12.74 × 6.74 × 4.28 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.74 mm6.74 mm2.09 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837631504
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.5%

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: £440 GBP|Low: £219 GBP|High: £482 GBP|Avg: £403 GBP|-7.5%
77 Diamonds
Retailer 2
November 1, 2026
Retailer 2£219 GBP
77 Diamonds£440 GBP

36 data points across 2 retailers

2 retailers£219 GBP to £440 GBP

A
Cheapest Retailer
-
£219 GBP
$293 USD
Final sale: no returns
Most Expensive
A
77 Diamonds
MQTVSAPM2J4QP · Nov 1
£440 GBP
View
1 more retailer has this diamond
Prices start from £219 GBPSave up to £221 GBP

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
2.09ct Marquise
£219 GBP