Marquise|Lab Grown|IGI

1.03ct D VS2 Marquise Lab Grown Diamond

VG • D/VS2 • IGI LG830604951

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG830604951

Diamond specifications and retailer prices

From £122 GBP
$163 USD
As of October 30, 2026
Save £682 GBP (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £803 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.03ct lab-grown marquise diamond

This 1.03ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG830604951 or 830604951. Listed at 16 retailers as of October 30, 2026, with prices from £122 to £803, a £682 spread on the same certified stone. Reve Diamonds lists it at £803. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.03
Carat
D
Colour
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830604951
Dimensions10.57 × 5.34 × 3.29 mm
L/W Ratio1.98
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.57 mm5.34 mm1.03 ctD / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830604951
Side View
Table 57.0%Crown 32.9°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.6%

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 30
Current: £267 GBP|Low: £120 GBP|High: £803 GBP|Avg: £313 GBP|-0.1%
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
Reve Diamonds
October 31, 2026
Retailer 13£122 GBP
Retailer 4£136 GBP
Retailer 11£141 GBP
Retailer 6£152 GBP
Retailer 7£155 GBP
Retailer 8£181 GBP
Retailer 2£252 GBP
Retailer 1£267 GBP
Retailer 5£273 GBP
Retailer 12£287 GBP
Retailer 14£388 GBP
Retailer 10£486 GBP
Retailer 3£513 GBP
Retailer 15£527 GBP
Retailer 9£711 GBP
Reve Diamonds£803 GBP

37 data points across 16 retailers

16 retailers£122 GBP to £803 GBP

A
Cheapest Retailer
-
£122 GBP
$163 USD
A
Retailer 2
-
£136 GBP
$182 USD
View
Final sale: no returns
A
Retailer 3
-
£141 GBP
$189 USD
View
A
Retailer 4
-
£152 GBP
$203 USD
View
A
Retailer 5
-
£155 GBP
$208 USD
View
A
Retailer 6
-
£181 GBP
View
A
Retailer 7
-
£252 GBP
$337 USD
View
A
Retailer 8
-
£267 GBP
View
A
Retailer 9
-
£273 GBP
$366 USD
View
A
Retailer 10
-
£287 GBP
View
B+
Retailer 11
-
£388 GBP
$520 USD
View
B+
Retailer 12
-
£486 GBP
$651 USD
View
B
Retailer 13
-
£513 GBP
$688 USD
View
B
Retailer 14
-
£527 GBP
$706 USD
View
B
Retailer 15
-
£711 GBP
View
Most Expensive
B
Reve Diamonds
60C39445B · Oct 30
£803 GBP
$1,077 USD
View
15 more retailers have this diamond
Prices start from £122 GBPSave up to £682 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
1.03ct Marquise
£122 GBP