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Marquise|Lab Grown|IGI

1.69ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG844613345

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG844613345

Diamond specifications and retailer prices

From £193 GBP
$259 USD
As of October 30, 2026
Save £565 GBP (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,039 GBP at Frank Darling · As of October 25, 2026
View at Frank Darling

About this 1.69ct lab-grown marquise diamond

This 1.69ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG844613345 or 844613345. Listed at 4 retailers as of October 30, 2026, with a 293% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.69
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844613345
Dimensions12.06 × 6.27 × 3.94 mm
L/W Ratio1.92
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.06 mm6.27 mm1.69 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844613345
Side View
Table 62.0%Crown 34.2°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
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: Oct 30
Current: £1,039 GBP|Low: £193 GBP|High: £1,039 GBP|Avg: £633 GBP
Frank Darling
Retailer 2
Retailer 3
Retailer 4
October 31, 2026
Retailer 3£193 GBP
Retailer 4£289 GBP
Retailer 2£758 GBP
Frank Darling£1,039 GBP

5 data points across 4 retailers

4 retailers£193 GBP to £758 GBP

A
Cheapest Retailer
-
£193 GBP
$259 USD
Final sale: no returns
B+
Retailer 2
-
£289 GBP
$388 USD
View
B+
Retailer 3
-
£758 GBP
$1,017 USD
View
Most Expensive
Frank Darling
100761110244KD · Oct 25
£1,039 GBP
$1,394 USD
View
Price last confirmed 8 days ago
3 more retailers have this diamond
Prices start from £193 GBPSave up to £565 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
1.69ct Marquise
£193 GBP