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Marquise|Lab Grown|IGI

1.03ct D VVS1 Marquise Lab Grown Diamond

EX • D/VVS1 • IGI LG677520990

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG677520990

Diamond specifications and retailer prices

From £175 GBP
$234 USD
As of November 1, 2026
Save £738 GBP (81%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: £912 GBP at Reve Diamonds · As of November 1, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG677520990 or 677520990. Listed at 28 retailers as of November 1, 2026, with prices from £175 to £912, a £738 spread on the same certified stone. Reve Diamonds lists it at £912. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677520990
Dimensions11.10 × 5.17 × 3.20 mm
L/W Ratio2.15
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
11.10 mm5.17 mm1.03 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677520990
Side View
Table 60.0%Crown 33.8°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 61.9%

Caratlytics Score

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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: Nov 1
Current: £334 GBP|Low: £156 GBP|High: £912 GBP|Avg: £450 GBP|-5.8%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Reve Diamonds
November 1, 2026
Retailer 8£156 GBP
Retailer 12£175 GBP
Retailer 5£193 GBP
Retailer 3£229 GBP
Retailer 2£275 GBP
Retailer 16£329 GBP
Retailer 6£334 GBP
Retailer 1£334 GBP
Retailer 14£357 GBP
Retailer 19£369 GBP
Retailer 9£416 GBP
Retailer 15£436 GBP
Retailer 17£473 GBP
Retailer 10£550 GBP
Retailer 18£624 GBP
Retailer 7£662 GBP
Retailer 11£698 GBP
Retailer 4£704 GBP
Retailer 13£775 GBP
Reve Diamonds£912 GBP

38 data points across 20 retailers

28 retailers£175 GBP to £912 GBP

Retailer 1
-
£156 GBP
$209 USD
Price last confirmed 24 days ago
Retailer 2
-
£169 GBP
$226 USD
View
Price last confirmed 32 days ago
A
Retailer 3
-
£175 GBP
$234 USD
View
Final sale: no returns
Retailer 4
-
£193 GBP
$259 USD
View
Price last confirmed 24 days ago
Retailer 5
-
£193 GBP
$259 USD
View
Price last confirmed 22 days ago
Retailer 6
-
£196 GBP
$262 USD
View
Price last confirmed 33 days ago
Retailer 7
-
£206 GBP
$276 USD
View
Price last confirmed 33 days ago
A
Retailer 8
-
£229 GBP
HK$2,400 HKD
View
A
Retailer 9
-
£275 GBP
$368 USD
View
A
Retailer 10
-
£329 GBP
€420 EUR
View
A
Retailer 11
-
£334 GBP
$447 USD
View
A
Retailer 12
-
£334 GBP
ZAR 7,232 ZAR
View
Retailer 13
-
£348 GBP
View
Price last confirmed 17 days ago
B+
Retailer 14
-
£357 GBP
View
B+
Retailer 15
-
£369 GBP
$495 USD
View
Retailer 16
-
£416 GBP
$557 USD
View
Price last confirmed 8 days ago
B+
Retailer 17
-
£436 GBP
A$898 AUD
View
B+
Retailer 18
-
£473 GBP
A$975 AUD
View
B
Retailer 19
-
£550 GBP
SGD 995 SGD
View
B
Retailer 20
-
£622 GBP
$833 USD
View
Retailer 21
-
£622 GBP
$833 USD
View
Price last confirmed 22 days ago
B
Retailer 22
-
£624 GBP
$836 USD
View
B
Retailer 23
-
£662 GBP
$887 USD
View
Retailer 24
-
£671 GBP
$899 USD
View
Price last confirmed 32 days ago
B
Retailer 25
-
£698 GBP
$935 USD
View
Retailer 26
-
£704 GBP
A$1,452 AUD
View
Price last confirmed 24 days ago
B
Retailer 27
-
£775 GBP
View
Most Expensive
B
Reve Diamonds
9AF8D610B · Nov 1
£912 GBP
$1,223 USD
View
27 more retailers have this diamond
Prices start from £175 GBPSave up to £738 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
£175 GBP