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Cushion|Lab Grown|IGI

1.71ct H VVS2 Cushion Lab Grown Diamond

VG • H/VVS2 • IGI LG633428792

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG633428792

Diamond specifications and retailer prices

From £487 GBP
$652 USD
As of October 30, 2026
Save £565 GBP (54%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,294 GBP at MOH London · As of October 19, 2026
View at MOH London

About this 1.71ct lab-grown cushion diamond

This 1.71ct lab-grown cushion sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG633428792 or 633428792. Listed at 7 retailers as of October 30, 2026, with a 116% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.71
Carat
H
Colour
VVS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG633428792
Dimensions7.02 × 6.70 × 4.67 mm
L/W Ratio1.05
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 Faint Blue
Top View
7.02 mm6.70 mm1.71 ctH / VVS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG633428792
Side View
Table 63.0%Crown 36.8°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 69.7%

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: Oct 30
Current: £1,294 GBP|Low: £429 GBP|High: £1,294 GBP|Avg: £726 GBP|+1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 9£429 GBP
Retailer 2£487 GBP
Retailer 6£505 GBP
Retailer 4£510 GBP
Retailer 3£514 GBP
Retailer 8£844 GBP
Retailer 7£884 GBP
Retailer 5£1,052 GBP
MOH London£1,294 GBP

18 data points across 9 retailers

7 retailers£487 GBP to £1,052 GBP

A
Cheapest Retailer
-
£487 GBP
$652 USD
A
Retailer 2
-
£505 GBP
€645 EUR
View
A
Retailer 3
-
£510 GBP
$684 USD
View
A
Retailer 4
-
£514 GBP
$689 USD
View
Retailer 5
-
£884 GBP
$1,185 USD
View
Price last confirmed 13 days ago
B
Retailer 6
-
£1,052 GBP
$1,410 USD
View
Most Expensive
MOH London
LG633428792 · Oct 19
£1,294 GBP
View
Price last confirmed 13 days ago
6 more retailers have this diamond
Prices start from £487 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
1.71ct Cushion
£487 GBP