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Cushion|Lab Grown|IGI

1.60ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG800629860

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG800629860

Diamond specifications and retailer prices

From £207 GBP
$276 USD
As of October 29, 2026
Save £1,377 GBP (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,584 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.6ct lab-grown cushion diamond

This 1.6ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG800629860 or 800629860. Listed at 18 retailers as of October 29, 2026, with prices from £207 to £1,584, a £1,377 spread on the same certified stone. Brilliant Earth lists it at £1,584. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.60
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800629860
Dimensions7.13 × 6.49 × 4.24 mm
L/W Ratio1.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.13 mm6.49 mm1.60 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800629860
Side View
Table 59.0%Crown 32.2°Girdle: MED-THKPavilion 38.2°Culet: NoneDepth 65.3%

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 29
Current: £1,584 GBP|Low: £207 GBP|High: £1,630 GBP|Avg: £723 GBP|-2.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 30, 2026
Retailer 16£207 GBP
Retailer 11£244 GBP
Retailer 8£274 GBP
Retailer 2£308 GBP
Retailer 5£368 GBP
Retailer 12£436 GBP
Retailer 15£449 GBP
Retailer 4£471 GBP
Retailer 13£514 GBP
Retailer 3£638 GBP
Retailer 14£777 GBP
Retailer 17£925 GBP
Retailer 7£959 GBP
Retailer 9£988 GBP
Retailer 10£1,008 GBP
Retailer 6£1,262 GBP
Brilliant Earth£1,584 GBP

35 data points across 17 retailers

18 retailers£207 GBP to £1,584 GBP

A
Cheapest Retailer
-
£207 GBP
$276 USD
Final sale: no returns
A
Retailer 2
-
£244 GBP
View
A
Retailer 3
-
£274 GBP
$365 USD
View
A
Retailer 4
-
£308 GBP
$410 USD
View
A
Retailer 5
-
£368 GBP
$490 USD
View
A
Retailer 6
-
£436 GBP
View
A
Retailer 7
-
£449 GBP
€570 EUR
View
A
Retailer 8
-
£471 GBP
ZAR 10,139 ZAR
View
A
Retailer 9
-
£514 GBP
$684 USD
View
A
Retailer 10
-
£529 GBP
$704 USD
View
B+
Retailer 11
-
£638 GBP
A$1,307 AUD
View
B+
Retailer 12
-
£777 GBP
$1,035 USD
View
B+
Retailer 13
-
£925 GBP
View
B
Retailer 14
-
£959 GBP
$1,277 USD
View
Retailer 15
-
£988 GBP
A$2,024 AUD
View
Price last confirmed 29 days ago
B+
Retailer 16
-
£1,008 GBP
$1,343 USD
View
Retailer 17
-
£1,262 GBP
$1,680 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
20643976A · Oct 29
£1,584 GBP
$2,110 USD
View
17 more retailers have this diamond
Prices start from £207 GBPSave up to £1,377 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
1.60ct Cushion
£207 GBP