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Radiant|Lab Grown|IGI

5.13ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG846662203

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG846662203

Diamond specifications and retailer prices

From £6,916 GBP
$9,267 USD
As of October 30, 2026
Save £30,153 GBP (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £37,069 GBP at With Clarity · As of October 30, 2026
View at With Clarity

About this 5.13ct lab-grown radiant diamond

This 5.13ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846662203 or 846662203. Listed at 15 retailers as of October 30, 2026, with prices from £6,916 to £37,069, a £30,153 spread on the same certified stone. With Clarity lists it at £37,069. 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

5.13
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.6°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846662203
Dimensions12.01 × 8.60 × 5.59 mm
L/W Ratio1.40
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
12.01 mm8.60 mm5.13 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846662203
Side View
Table 64.0%Crown 44.6°Girdle: ThickPavilion 33.5°Culet: NoneDepth 65.0%

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: £15,009 GBP|Low: £6,916 GBP|High: £37,269 GBP|Avg: £12,165 GBP|-29.0%
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
With Clarity
October 30, 2026
Retailer 7£6,916 GBP
Retailer 11£6,992 GBP
Retailer 2£7,235 GBP
Retailer 9£7,986 GBP
Retailer 8£8,282 GBP
Retailer 13£8,726 GBP
Retailer 12£9,075 GBP
Retailer 14£9,187 GBP
Retailer 4£9,219 GBP
Retailer 5£9,455 GBP
Retailer 10£14,482 GBP
Retailer 1£15,009 GBP
Retailer 3£16,700 GBP
Retailer 6£18,650 GBP
With Clarity£37,069 GBP

9 data points across 15 retailers

15 retailers£6,916 GBP to £37,069 GBP

A
Cheapest Retailer
-
£6,916 GBP
$9,267 USD
A
Retailer 2
-
£6,992 GBP
$9,368 USD
View
A
Retailer 3
-
£7,235 GBP
$9,694 USD
View
A
Retailer 4
-
£7,986 GBP
$10,700 USD
View
A
Retailer 5
-
£8,282 GBP
View
A
Retailer 6
-
£8,726 GBP
$11,692 USD
View
A
Retailer 7
-
£9,075 GBP
$12,160 USD
View
A
Retailer 8
-
£9,187 GBP
$12,310 USD
View
A
Retailer 9
-
£9,219 GBP
$12,353 USD
View
A
Retailer 10
-
£9,455 GBP
$12,668 USD
View
B+
Retailer 11
-
£14,482 GBP
View
B+
Retailer 12
-
£15,009 GBP
$20,110 USD
View
B+
Retailer 13
-
£16,700 GBP
$22,376 USD
View
Retailer 14
-
£18,650 GBP
€23,799 EUR
View
Price last confirmed 7 days ago
Most Expensive
B
With Clarity
846662203 · Oct 30
£37,069 GBP
$49,669 USD
View
14 more retailers have this diamond
Prices start from £6,916 GBPSave up to £30,153 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
5.13ct Radiant
£6,916 GBP