CaratHunter
Plans
Cushion|Lab Grown|IGI

1.71ct G VS2 Cushion Lab Grown Diamond

ID • G/VS2 • IGI LG747570754

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG747570754

Diamond specifications and retailer prices

From £192 GBP
$257 USD
As of October 31, 2026
Save £672 GBP (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £864 GBP at Brilliance · As of October 30, 2026
View at Brilliance

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 G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG747570754 or 747570754. Listed at 13 retailers as of October 30, 2026, with prices from £192 to £864, a £672 spread on the same certified stone. Brilliance lists it at £864. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG747570754
Dimensions8.13 × 6.50 × 4.34 mm
L/W Ratio1.25
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.13 mm6.50 mm1.71 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG747570754
Side View
Table 61.0%Crown 34°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 66.8%

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: Oct 31
Current: £763 GBP|Low: £192 GBP|High: £963 GBP|Avg: £564 GBP|-8.4%
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 11£192 GBP
Retailer 10£285 GBP
Retailer 6£386 GBP
Retailer 2£397 GBP
Retailer 12£407 GBP
Retailer 4£440 GBP
Retailer 9£558 GBP
Retailer 8£761 GBP
Brilliance£763 GBP
Retailer 5£791 GBP
Retailer 3£830 GBP
Retailer 7£852 GBP

38 data points across 12 retailers

13 retailers£192 GBP to £864 GBP

A
Cheapest Retailer
-
£192 GBP
$257 USD
Final sale: no returns
B+
Retailer 2
-
£285 GBP
$382 USD
View
A
Retailer 3
-
£386 GBP
€493 EUR
View
A
Retailer 4
-
£397 GBP
View
A
Retailer 5
-
£407 GBP
$545 USD
View
A
Retailer 6
-
£440 GBP
$589 USD
View
B+
Retailer 7
-
£558 GBP
$747 USD
View
Retailer 8
-
£722 GBP
$967 USD
View
Price last confirmed 13 days ago
Retailer 9
-
£761 GBP
$1,020 USD
View
Price last confirmed 12 days ago
B+
Retailer 10
-
£763 GBP
$1,023 USD
View
B+
Retailer 11
-
£791 GBP
$1,060 USD
View
B+
Retailer 12
-
£852 GBP
View
Most Expensive
B
Brilliance
D36571363 · Oct 30
£864 GBP
$1,157 USD
View
12 more retailers have this diamond
Prices start from £192 GBPSave up to £672 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
£192 GBP