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Marquise|Lab Grown|IGI

1.72ct G VVS1 Marquise Lab Grown Diamond

EX • G/VVS1 • IGI LG825610178

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG825610178

Diamond specifications and retailer prices

From £209 GBP
$280 USD
As of November 1, 2026
Save £1,084 GBP (84%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,293 GBP at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 1.72ct lab-grown marquise diamond

This 1.72ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG825610178 or 825610178. Listed at 3 retailers as of November 1, 2026, with prices from £209 to £1,293, a £1,084 spread on the same certified stone. Rare Carat lists it at £1,293. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.72
Carat
G
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825610178
Dimensions12.65 × 6.08 × 3.92 mm
L/W Ratio2.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.65 mm6.08 mm1.72 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825610178
Side View
Table 59.0%Crown 37.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 64.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £1,293 GBP|Low: £209 GBP|High: £1,323 GBP|Avg: £615 GBP|-2.3%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 3£209 GBP
Retailer 4£365 GBP
Retailer 5£393 GBP
Retailer 2£453 GBP
Retailer 7£604 GBP
Retailer 6£836 GBP
Rare Carat£1,293 GBP

35 data points across 7 retailers

3 retailers£209 GBP to £1,293 GBP

A
Cheapest Retailer
-
£209 GBP
$280 USD
Final sale: no returns
A
Retailer 2
-
£453 GBP
View
Most Expensive
B
Rare Carat
825610178 · Nov 1
£1,293 GBP
$1,735 USD
View
2 more retailers have this diamond
Prices start from £209 GBPSave up to £1,084 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
1.72ct Marquise
£209 GBP