CaratHunter
Plans
Marquise|Lab Grown|IGI

1.30ct H VS1 Marquise Lab Grown Diamond

ID • H/VS1 • IGI LG598372637

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG598372637

Diamond specifications and retailer prices

From £1,030 GBP
$1,380 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: £1,030 GBP at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 1.3ct lab-grown marquise diamond

This 1.3ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG598372637 or 598372637. Listed at a single retailer as of October 31, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598372637
Dimensions10.99 × 5.73 × 3.60 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.99 mm5.73 mm1.30 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598372637
Side View
Table 60.0%Crown 36°Girdle: MediumPavilion 40.6°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £1,030 GBP|Low: £263 GBP|High: £1,843 GBP|Avg: £640 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
April 14, 2026
Retailer 3£263 GBP
Retailer 2£311 GBP
Retailer 4£357 GBP
Retailer 10£377 GBP
Retailer 5£400 GBP
Retailer 9£517 GBP
Retailer 6£595 GBP
Retailer 7£714 GBP
Brilliant Earth£1,030 GBP
Retailer 8£1,276 GBP

9 data points across 10 retailers

1 retailer

B
Brilliant Earth
8094404Y · Oct 31
£1,030 GBP
$1,380 USD
View

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.

B
1.30ct Marquise
£1,030 GBP