Round|Lab Grown|IGI

5.10ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG811634133

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811634133

Diamond specifications and retailer prices

From £6,857 GBP
$9,187 USD
As of October 26, 2026
Save £28,594 GBP (81%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £35,451 GBP at With Clarity · As of October 31, 2026
View at With Clarity

About this 5.1ct lab-grown round diamond

This 5.1ct lab-grown round 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 LG811634133 or 811634133. Listed at 9 retailers as of October 26, 2026, with prices from £6,857 to £35,451, a £28,594 spread on the same certified stone. With Clarity lists it at £35,451. 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

5.10
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811634133
Dimensions11.01 × 11.08 × 6.84 mm
L/W Ratio1.01
Girdle conditionFaceted
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
11.01 mm11.08 mm5.10 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811634133
Side View
Table 56.0%Crown 35.4°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 61.9%

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 26
Current: £10,950 GBP|Low: £6,857 GBP|High: £25,868 GBP|Avg: £12,380 GBP|+0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 7£6,857 GBP
Retailer 5£7,127 GBP
Retailer 8£7,823 GBP
Retailer 3£8,056 GBP
Retailer 1£10,950 GBP
Retailer 9£11,404 GBP
Retailer 4£12,258 GBP
Retailer 2£16,494 GBP
Retailer 6£21,787 GBP

40 data points across 9 retailers

9 retailers£6,857 GBP to £35,451 GBP

A
Cheapest Retailer
-
£6,857 GBP
$9,187 USD
A
Retailer 2
-
£7,127 GBP
HK$74,600 HKD
View
A
Retailer 3
-
£7,823 GBP
$10,482 USD
View
A
Retailer 4
-
£8,056 GBP
View
A
Retailer 5
-
£10,950 GBP
€13,973 EUR
View
B+
Retailer 6
-
£12,258 GBP
View
B+
Retailer 7
-
£16,494 GBP
$22,100 USD
View
B
Retailer 8
-
£21,787 GBP
$29,193 USD
View
Most Expensive
B
With Clarity
811634133 · Oct 31
£35,451 GBP
$47,500 USD
View
8 more retailers have this diamond
Prices start from £6,857 GBPSave up to £28,594 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
5.10ct Round
£6,857 GBP