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Cushion|Lab Grown|IGI

5.03ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG681579164

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG681579164

Diamond specifications and retailer prices

From £4,076 GBP
$5,461 USD
As of October 30, 2026
Save £22,038 GBP (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £26,114 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 5.03ct lab-grown cushion diamond

This 5.03ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG681579164 or 681579164. Listed at 19 retailers as of October 30, 2026, with prices from £4,076 to £26,114, a £22,038 spread on the same certified stone. Do Amore Diamonds lists it at £26,114. 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

5.03
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681579164
Dimensions11.27 × 9.39 × 6.03 mm
L/W Ratio1.20
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
11.27 mm9.39 mm5.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681579164
Side View
Table 60.0%Crown 35.2°Girdle: MED-THKPavilion 35.7°Culet: NoneDepth 64.2%

Caratlytics Score

How it works →
A+
Exceptional
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: £26,114 GBP|Low: £4,076 GBP|High: £32,085 GBP|Avg: £11,920 GBP|-18.6%
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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
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Retailer 19
October 31, 2026
Retailer 14£4,076 GBP
Retailer 5£5,093 GBP
Retailer 12£5,135 GBP
Retailer 13£5,263 GBP
Retailer 8£5,956 GBP
Retailer 4£6,190 GBP
Retailer 2£6,241 GBP
Retailer 19£6,904 GBP
Retailer 6£8,073 GBP
Retailer 10£9,329 GBP
Retailer 3£9,873 GBP
Retailer 15£10,740 GBP
Retailer 7£11,786 GBP
Retailer 16£12,118 GBP
Retailer 11£16,353 GBP
Retailer 9£17,119 GBP
Retailer 18£17,142 GBP
Retailer 17£17,923 GBP
Do Amore Diamonds£26,114 GBP

35 data points across 19 retailers

19 retailers£4,076 GBP to £26,114 GBP

A+
Cheapest Retailer
-
£4,076 GBP
$5,461 USD
A
Retailer 2
-
£5,093 GBP
$6,824 USD
View
Final sale: no returns
A
Retailer 3
-
£5,135 GBP
$6,880 USD
View
A
Retailer 4
-
£5,263 GBP
$7,052 USD
View
Retailer 5
-
£5,956 GBP
$7,980 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
£6,190 GBP
HK$64,800 HKD
View
A
Retailer 7
-
£6,241 GBP
View
A
Retailer 8
-
£6,904 GBP
View
A
Retailer 9
-
£8,073 GBP
€10,302 EUR
View
A
Retailer 10
-
£9,329 GBP
$12,500 USD
View
A
Retailer 11
-
£9,873 GBP
ZAR 213,712 ZAR
View
A
Retailer 12
-
£10,740 GBP
$14,390 USD
View
B+
Retailer 13
-
£11,786 GBP
View
B+
Retailer 14
-
£12,118 GBP
$16,237 USD
View
B+
Retailer 15
-
£16,353 GBP
$21,911 USD
View
Retailer 16
-
£17,119 GBP
A$35,288 AUD
View
Price last confirmed 22 days ago
B+
Retailer 17
-
£17,142 GBP
$22,968 USD
View
B+
Retailer 18
-
£17,923 GBP
SGD 32,453 SGD
View
Most Expensive
B
Do Amore Diamonds
27-EC2D908E9 · Oct 31
£26,114 GBP
$34,990 USD
View
18 more retailers have this diamond
Prices start from £4,076 GBPSave up to £22,038 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+
5.03ct Cushion
£4,076 GBP