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Cushion|Lab Grown|IGI

6.15ct D IF Cushion Lab Grown Diamond

VG • D/IF • IGI LG593371964

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG593371964

Diamond specifications and retailer prices

From £5,730 GBP
$7,677 USD
As of October 30, 2026
Save £29,102 GBP (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £34,831 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 6.15ct lab-grown cushion diamond

This 6.15ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG593371964 or 593371964. Listed at 12 retailers as of October 30, 2026, with prices from £5,730 to £34,831, a £29,102 spread on the same certified stone. Do Amore Diamonds lists it at £34,831. 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

6.15
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG593371964
Dimensions12.41 × 9.72 × 6.57 mm
L/W Ratio1.28
Girdle conditionFaceted
Culet sizePointed
Cert comments
Minor details of polish not shown. As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process.
Top View
12.41 mm9.72 mm6.15 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG593371964
Side View
Table 60.0%Crown 34°Girdle: THK-ETKPavilion 41.2°Culet: NoneDepth 67.6%

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: £34,831 GBP|Low: £5,704 GBP|High: £35,936 GBP|Avg: £15,241 GBP|-3.1%
Do Amore Diamonds
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 5£5,730 GBP
Retailer 8£6,433 GBP
Retailer 4£6,945 GBP
Retailer 11£7,557 GBP
Retailer 7£12,003 GBP
Retailer 2£12,161 GBP
Retailer 9£13,082 GBP
Retailer 6£13,225 GBP
Retailer 12£14,022 GBP
Retailer 10£17,984 GBP
Retailer 3£24,365 GBP
Do Amore Diamonds£34,831 GBP

31 data points across 12 retailers

12 retailers£5,730 GBP to £34,831 GBP

A
Cheapest Retailer
-
£5,730 GBP
$7,677 USD
A
Retailer 2
-
£6,433 GBP
$8,620 USD
View
A
Retailer 3
-
£6,945 GBP
$9,306 USD
View
Final sale: no returns
A
Retailer 4
-
£7,557 GBP
$10,125 USD
View
A
Retailer 5
-
£12,003 GBP
$16,083 USD
View
A
Retailer 6
-
£12,161 GBP
€15,518 EUR
View
B+
Retailer 7
-
£13,082 GBP
View
B+
Retailer 8
-
£13,225 GBP
$17,720 USD
View
Retailer 9
-
£14,022 GBP
A$28,904 AUD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
£17,984 GBP
$24,097 USD
View
Retailer 11
-
£24,365 GBP
A$50,226 AUD
View
Price last confirmed 23 days ago
Most Expensive
B
Do Amore Diamonds
27-D945030C3 · Oct 31
£34,831 GBP
$46,670 USD
View
11 more retailers have this diamond
Prices start from £5,730 GBPSave up to £29,102 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
6.15ct Cushion
£5,730 GBP