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Cushion|Lab Grown|IGI

6.34ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG697511473

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

Certificate IGI LG697511473

Diamond specifications and retailer prices

From £1,505 GBP
$2,017 USD
As of October 29, 2026
Save £9,040 GBP (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £11,523 GBP at Brilliant Earth · As of October 1, 2026
View at Brilliant Earth

About this 6.34ct lab-grown cushion diamond

This 6.34ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG697511473 or 697511473. Listed at 22 retailers as of October 29, 2026, with a 601% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

6.34
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG697511473
Dimensions10.38 × 10.07 × 6.67 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.38 mm10.07 mm6.34 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG697511473
Side View
Table 66.0%Crown 36.2°Girdle: STK-VTKPavilion 34.2°Culet: NoneDepth 66.2%

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 29
Current: £2,369 GBP|Low: £1,505 GBP|High: £5,908 GBP|Avg: £3,059 GBP|+0.2%
Retailer 1
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
October 30, 2026
Retailer 6£1,505 GBP
Retailer 15£1,561 GBP
Retailer 14£1,687 GBP
Retailer 5£1,796 GBP
Retailer 1£2,369 GBP
Retailer 3£2,463 GBP
Retailer 13£2,579 GBP
Retailer 9£2,614 GBP
Retailer 11£3,197 GBP
Retailer 7£3,264 GBP
Retailer 8£3,333 GBP
Retailer 12£4,605 GBP
Retailer 2£4,664 GBP
Retailer 10£4,946 GBP
Retailer 4£5,908 GBP

42 data points across 15 retailers

22 retailers£1,505 GBP to £10,546 GBP

A
Cheapest Retailer
-
£1,505 GBP
$2,017 USD
Final sale: no returns
Retailer 2
-
£1,561 GBP
$2,091 USD
View
Price last confirmed 18 days ago
A
Retailer 3
-
£1,687 GBP
$2,260 USD
View
A
Retailer 4
-
£1,796 GBP
$2,406 USD
View
A
Retailer 5
-
£2,044 GBP
HK$21,400 HKD
View
A
Retailer 6
-
£2,229 GBP
$2,987 USD
View
A
Retailer 7
-
£2,369 GBP
View
B+
Retailer 8
-
£2,463 GBP
$3,300 USD
View
A
Retailer 9
-
£2,579 GBP
$3,455 USD
View
B+
Retailer 10
-
£2,614 GBP
€3,336 EUR
View
Retailer 11
-
£3,197 GBP
A$6,590 AUD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
£3,264 GBP
View
B+
Retailer 13
-
£3,333 GBP
ZAR 72,150 ZAR
View
B
Retailer 14
-
£4,436 GBP
$5,944 USD
View
Retailer 15
-
£4,605 GBP
$6,170 USD
View
Price last confirmed 9 days ago
Retailer 16
-
£4,664 GBP
A$9,614 AUD
View
Price last confirmed 22 days ago
B
Retailer 17
-
£4,946 GBP
View
B
Retailer 18
-
£5,908 GBP
SGD 10,697 SGD
View
B
Retailer 19
-
£6,028 GBP
$8,077 USD
View
B
Retailer 20
-
£9,254 GBP
$12,400 USD
View
B
Retailer 21
-
£10,546 GBP
$14,130 USD
View
Most Expensive
Brilliant Earth
19823367Y · Oct 1
£11,523 GBP
$15,440 USD
View
Price last confirmed 29 days ago
21 more retailers have this diamond
Prices start from £1,505 GBPSave up to £9,040 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
6.34ct Cushion
£1,505 GBP