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Marquise|Lab Grown|IGI

15.57ct G VVS2 Marquise Lab Grown Diamond

ID • G/VVS2 • IGI LG847646668

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG847646668

Diamond specifications and retailer prices

From £3,377 GBP
HK$35,400 HKD
As of November 1, 2026
Save £8,818 GBP (72%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £12,194 GBP at Adiamor · As of November 2, 2026
View at Adiamor

About this 15.57ct lab-grown marquise diamond

This 15.57ct lab-grown marquise sits in the over five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG847646668 or 847646668. Listed at 5 retailers as of November 1, 2026, with prices from £3,377 to £12,194, a £8,818 spread on the same certified stone. Adiamor lists it at £12,194. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

15.57
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847646668
Dimensions24.98 × 13.12 × 8.24 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
24.98 mm13.12 mm15.57 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847646668
Side View
Table 58.0%Crown 35.9°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 62.8%

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: Nov 1
Current: £12,194 GBP|Low: £3,377 GBP|High: £12,194 GBP|Avg: £6,547 GBP
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 3, 2026
Retailer 3£3,377 GBP
Retailer 2£3,779 GBP
Retailer 5£4,405 GBP
Retailer 4£9,939 GBP
Adiamor£12,194 GBP

3 data points across 5 retailers

5 retailers£3,377 GBP to £12,194 GBP

A
Cheapest Retailer
-
£3,377 GBP
HK$35,400 HKD
A
Retailer 2
-
£3,779 GBP
View
B+
Retailer 3
-
£4,405 GBP
$5,911 USD
View
B
Retailer 4
-
£9,939 GBP
$13,338 USD
View
Most Expensive
B
Adiamor
D-82925035 · Nov 2
£12,194 GBP
$16,364 USD
View
4 more retailers have this diamond
Prices start from £3,377 GBPSave up to £8,818 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
15.57ct Marquise
£3,377 GBP