CaratHunter
Plans
Round|Lab Grown|IGI

5.05ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG605378035

Shape and cutting style on the report: Round brilliant

Certificate IGI LG605378035

Diamond specifications and retailer prices

From £4,975 GBP
As of October 30, 2026
Save £27,532 GBP (85%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £32,508 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 5.05ct lab-grown round diamond

This 5.05ct lab-grown round 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 LG605378035 or 605378035. Listed at 25 retailers as of October 29, 2026, with prices from £4,975 to £32,508, a £27,532 spread on the same certified stone. Do Amore Diamonds lists it at £32,508. 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

5.05
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605378035
Dimensions11.00 × 11.07 × 6.74 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
11.00 mm11.07 mm5.05 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605378035
Side View
Table 57.0%Crown 34.2°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.1%

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 30
Current: £4,975 GBP|Low: £4,168 GBP|High: £47,639 GBP|Avg: £14,447 GBP|-0.1%
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 1£4,975 GBP
Retailer 5£5,459 GBP
Retailer 6£5,835 GBP
Retailer 14£6,015 GBP
Retailer 13£6,946 GBP
Retailer 2£7,002 GBP
Retailer 8£8,183 GBP
Retailer 12£11,054 GBP
Retailer 10£12,449 GBP
Retailer 9£13,552 GBP
Retailer 11£13,912 GBP
Retailer 3£19,286 GBP
Retailer 7£20,023 GBP
Retailer 15£22,731 GBP
Retailer 4£47,639 GBP

41 data points across 15 retailers

25 retailers£4,975 GBP to £32,508 GBP

A
Cheapest Retailer
-
£4,975 GBP
Retailer 2
-
£5,209 GBP
$6,937 USD
View
Price last confirmed 19 days ago
Retailer 3
-
£5,418 GBP
$7,215 USD
View
Price last confirmed 16 days ago
A
Retailer 4
-
£5,459 GBP
$7,270 USD
View
A
Retailer 5
-
£5,724 GBP
$7,623 USD
View
A
Retailer 6
-
£5,834 GBP
$7,769 USD
View
Final sale: no returns
A
Retailer 7
-
£5,835 GBP
$7,770 USD
View
Final sale: no returns
A
Retailer 8
-
£6,015 GBP
$8,010 USD
View
Retailer 9
-
£6,043 GBP
$8,047 USD
View
Price last confirmed 13 days ago
Retailer 10
-
£6,043 GBP
$8,047 USD
View
Price last confirmed 13 days ago
A
Retailer 11
-
£6,946 GBP
$9,250 USD
View
A
Retailer 12
-
£7,002 GBP
$9,325 USD
View
Retailer 13
-
£7,502 GBP
$9,990 USD
View
Price last confirmed 22 days ago
A
Retailer 14
-
£8,183 GBP
View
A
Retailer 15
-
£11,054 GBP
$14,720 USD
View
B+
Retailer 16
-
£12,449 GBP
View
B+
Retailer 17
-
£13,552 GBP
ZAR 291,560 ZAR
View
Retailer 18
-
£13,912 GBP
A$28,502 AUD
View
Price last confirmed 7 days ago
B+
Retailer 19
-
£16,632 GBP
$22,148 USD
View
B+
Retailer 20
-
£19,286 GBP
$25,682 USD
View
B
Retailer 21
-
£20,023 GBP
$26,664 USD
View
B
Retailer 22
-
£22,048 GBP
$29,361 USD
View
B
Retailer 23
-
£22,731 GBP
$30,270 USD
View
Most Expensive
B
Do Amore Diamonds
27-1B61104DE · Oct 29
£32,508 GBP
$43,290 USD
View
23 more retailers have this diamond
Prices start from £4,975 GBPSave up to £27,532 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
5.05ct Round
£4,975 GBP