CaratHunter
Plans
Marquise|Lab Grown|IGI

3.54ct D VS2 Marquise Lab Grown Diamond

EX • D/VS2 • IGI LG784618231

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784618231

Diamond specifications and retailer prices

From £1,872 GBP
A$3,858 AUD
As of October 31, 2026
2 retailers carry this diamond
Most expensive: £3,423 GBP at Rare Carat · As of August 19, 2026
View at Rare Carat

About this 3.54ct lab-grown marquise diamond

This 3.54ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG784618231 or 784618231. Listed at 2 retailers as of October 31, 2026. 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

3.54
Carat
D
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784618231
Dimensions15.84 × 7.92 mm
L/W Ratio2.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.84 mm7.92 mm3.54 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784618231
Side View
Table 59.0%Crown 35.3°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £3,423 GBP|Low: £940 GBP|High: £5,418 GBP|Avg: £2,490 GBP|-5.2%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
September 9, 2026
Retailer 3£940 GBP
Retailer 4£987 GBP
Retailer 6£1,223 GBP
Retailer 2£1,872 GBP
Retailer 7£2,332 GBP
Rare Carat£3,423 GBP
Retailer 5£5,150 GBP

26 data points across 7 retailers

2 retailers

B+
Cheapest Retailer
-
£1,872 GBP
A$3,858 AUD
Most Expensive
Rare Carat
MG162-45AAA · Aug 19
£3,423 GBP
$4,586 USD
View
Price last confirmed 72 days ago
1 more retailer has this diamond
Prices start from £1,872 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.

B+
3.54ct Marquise
£1,872 GBP