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Cushion|Lab Grown|IGI

5.12ct E FL Cushion Lab Grown Diamond

EX • E/FL • IGI LG805610579

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG805610579

Diamond specifications and retailer prices

From £5,627 GBP
$7,539 USD
As of October 30, 2026
Save £28,742 GBP (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £34,368 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 5.12ct lab-grown cushion diamond

This 5.12ct lab-grown cushion sits in the over five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG805610579 or 805610579. Listed at 20 retailers as of October 30, 2026, with prices from £5,627 to £34,368, a £28,742 spread on the same certified stone. Do Amore Diamonds lists it at £34,368. 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

5.12
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805610579
Dimensions12.18 × 9.08 × 5.89 mm
L/W Ratio1.34
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.18 mm9.08 mm5.12 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805610579
Side View
Table 61.0%Crown 35.8°Girdle: MED-STKPavilion 36.8°Culet: NoneDepth 64.9%

Caratlytics Score

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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 30
Current: £34,368 GBP|Low: £4,903 GBP|High: £34,368 GBP|Avg: £12,787 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 22
October 31, 2026
Retailer 4£5,627 GBP
Retailer 18£5,996 GBP
Retailer 7£6,149 GBP
Retailer 15£6,424 GBP
Retailer 17£6,778 GBP
Retailer 16£6,780 GBP
Retailer 3£6,993 GBP
Retailer 10£7,116 GBP
Retailer 13£8,967 GBP
Retailer 8£10,646 GBP
Retailer 2£11,791 GBP
Retailer 9£12,005 GBP
Retailer 21£13,599 GBP
Retailer 20£15,094 GBP
Retailer 22£16,466 GBP
Retailer 5£16,963 GBP
Retailer 6£18,523 GBP
Retailer 11£18,740 GBP
Retailer 12£19,386 GBP
Retailer 19£23,591 GBP
Retailer 14£32,542 GBP
Do Amore Diamonds£34,368 GBP

20 data points across 22 retailers

20 retailers£5,627 GBP to £34,368 GBP

A
Cheapest Retailer
-
£5,627 GBP
$7,539 USD
A
Retailer 2
-
£5,996 GBP
CA$11,158 CAD
View
A
Retailer 3
-
£6,149 GBP
$8,239 USD
View
A
Retailer 4
-
£6,294 GBP
$8,433 USD
View
A
Retailer 5
-
£6,778 GBP
$9,082 USD
View
A
Retailer 6
-
£6,780 GBP
$9,085 USD
View
A
Retailer 7
-
£7,116 GBP
$9,534 USD
View
Final sale: no returns
A
Retailer 8
-
£8,967 GBP
View
A
Retailer 9
-
£10,646 GBP
View
B+
Retailer 10
-
£11,791 GBP
€15,046 EUR
View
B+
Retailer 11
-
£12,005 GBP
$16,086 USD
View
B+
Retailer 12
-
£13,599 GBP
View
B+
Retailer 13
-
£15,094 GBP
ZAR 326,730 ZAR
View
B+
Retailer 14
-
£16,466 GBP
$22,063 USD
View
B+
Retailer 15
-
£16,963 GBP
$22,728 USD
View
B
Retailer 16
-
£18,523 GBP
$24,819 USD
View
B
Retailer 17
-
£18,740 GBP
$25,109 USD
View
B
Retailer 18
-
£19,386 GBP
$25,975 USD
View
B
Retailer 19
-
£23,591 GBP
$31,610 USD
View
Most Expensive
B
Do Amore Diamonds
20-E84274 · Oct 31
£34,368 GBP
$46,050 USD
View
19 more retailers have this diamond
Prices start from £5,627 GBPSave up to £28,742 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
5.12ct Cushion
£5,627 GBP