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Round|Lab Grown|IGI

5.07ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG689577949

Shape and cutting style on the report: Round brilliant

Certificate IGI LG689577949

Diamond specifications and retailer prices

From £10,863 GBP
€13,862 EUR
As of October 29, 2026
Save £9,184 GBP (46%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £20,046 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 5.07ct lab-grown round diamond

This 5.07ct 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 LG689577949 or 689577949. Listed at 7 retailers as of October 29, 2026, with prices from £10,863 to £20,046, a £9,184 spread on the same certified stone. Brilliant Earth lists it at £20,046. 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

5.07
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689577949
Dimensions11.02 × 11.05 × 6.80 mm
L/W Ratio1.00
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
11.02 mm11.05 mm5.07 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689577949
Side View
Table 58.0%Crown 35.4°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
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 29
Current: £20,046 GBP|Low: £6,153 GBP|High: £23,383 GBP|Avg: £12,894 GBP|-14.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 6£6,153 GBP
Retailer 9£6,809 GBP
Retailer 11£7,714 GBP
Retailer 12£8,486 GBP
Retailer 13£10,522 GBP
Retailer 2£10,863 GBP
Retailer 8£11,076 GBP
Retailer 7£11,237 GBP
Retailer 4£14,772 GBP
Retailer 10£17,876 GBP
Retailer 5£18,318 GBP
Retailer 3£18,882 GBP
Brilliant Earth£20,046 GBP

22 data points across 13 retailers

7 retailers£10,863 GBP to £20,046 GBP

Retailer 1
-
£6,153 GBP
$8,245 USD
Price last confirmed 12 days ago
Retailer 2
-
£6,809 GBP
$9,123 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
£10,863 GBP
€13,862 EUR
View
B+
Retailer 4
-
£11,076 GBP
$14,841 USD
View
Final sale: no returns
A
Retailer 5
-
£11,237 GBP
$15,057 USD
View
B+
Retailer 6
-
£17,876 GBP
$23,952 USD
View
Most Expensive
B+
Brilliant Earth
14115893A · Oct 29
£20,046 GBP
$26,860 USD
View
6 more retailers have this diamond
Prices start from £10,863 GBPSave up to £9,184 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
5.07ct Round
£10,863 GBP