Cushion|Lab Grown|IGI

1.70ct D VS2 Cushion Lab Grown Diamond

ID • D/VS2 • IGI LG541252027

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG541252027

Diamond specifications and retailer prices

From £193 GBP
$259 USD
As of November 1, 2026
Save £1,081 GBP (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,274 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.7ct lab-grown cushion diamond

This 1.7ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG541252027 or 541252027. Listed at 17 retailers as of October 31, 2026, with prices from £193 to £1,274, a £1,081 spread on the same certified stone. Brilliant Earth lists it at £1,274. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle31.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG541252027
Dimensions7.69 × 6.15 × 4.12 mm
L/W Ratio1.25
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
Top View
7.69 mm6.15 mm1.70 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG541252027
Side View
Table 61.5%Crown 38.2°Girdle: THK-VTKPavilion 31.9°Culet: NoneDepth 67.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £1,274 GBP|Low: £193 GBP|High: £1,364 GBP|Avg: £597 GBP|-5.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 4£193 GBP
Retailer 11£214 GBP
Retailer 8£287 GBP
Retailer 6£343 GBP
Retailer 2£400 GBP
Retailer 3£463 GBP
Retailer 7£527 GBP
Retailer 9£815 GBP
Retailer 12£829 GBP
Retailer 5£856 GBP
Retailer 10£872 GBP
Brilliant Earth£1,274 GBP

45 data points across 12 retailers

17 retailers£193 GBP to £1,274 GBP

A
Cheapest Retailer
-
£193 GBP
$259 USD
Final sale: no returns
Retailer 2
-
£214 GBP
$287 USD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
£287 GBP
$385 USD
View
A
Retailer 4
-
£343 GBP
€438 EUR
View
A
Retailer 5
-
£400 GBP
View
A
Retailer 6
-
£440 GBP
$591 USD
View
A
Retailer 7
-
£463 GBP
$621 USD
View
A
Retailer 8
-
£469 GBP
$629 USD
View
A
Retailer 9
-
£527 GBP
$707 USD
View
B+
Retailer 10
-
£726 GBP
$974 USD
View
B+
Retailer 11
-
£815 GBP
A$1,683 AUD
View
B
Retailer 12
-
£829 GBP
View
B+
Retailer 13
-
£856 GBP
View
B
Retailer 14
-
£867 GBP
$1,164 USD
View
Retailer 15
-
£872 GBP
$1,170 USD
View
Price last confirmed 14 days ago
B
Retailer 16
-
£964 GBP
$1,293 USD
View
Most Expensive
B
Brilliant Earth
10789221A · Oct 31
£1,274 GBP
$1,710 USD
View
16 more retailers have this diamond
Prices start from £193 GBPSave up to £1,081 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
1.70ct Cushion
£193 GBP