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Round|Lab Grown|IGI

6.02ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG821639554

Shape and cutting style on the report: Round brilliant

Certificate IGI LG821639554

Diamond specifications and retailer prices

From £12,005 GBP
$16,085 USD
As of October 30, 2026
Save £23,079 GBP (66%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £35,084 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 6.02ct lab-grown round diamond

This 6.02ct 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 LG821639554 or 821639554. Listed at 9 retailers as of October 30, 2026, with prices from £12,005 to £35,084, a £23,079 spread on the same certified stone. Taylor and Hart lists it at £35,084. 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

6.02
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821639554
Dimensions11.59 × 11.68 × 7.22 mm
L/W Ratio1.01
Girdle conditionFaceted
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
11.59 mm11.68 mm6.02 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821639554
Side View
Table 56.0%Crown 35.9°Girdle: MediumPavilion 40.7°Culet: NoneDepth 62.1%

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: £24,048 GBP|Low: £10,579 GBP|High: £37,009 GBP|Avg: £20,019 GBP|-4.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Taylor and Hart
October 31, 2026
Retailer 8£10,579 GBP
Retailer 5£12,005 GBP
Retailer 7£12,874 GBP
Retailer 6£15,253 GBP
Retailer 2£15,552 GBP
Retailer 3£19,345 GBP
Retailer 4£22,368 GBP
Retailer 1£24,048 GBP
Taylor and Hart£35,084 GBP

36 data points across 9 retailers

9 retailers£12,005 GBP to £35,084 GBP

Retailer 1
-
£10,579 GBP
$14,175 USD
Price last confirmed 24 days ago
A
Retailer 2
-
£12,005 GBP
$16,085 USD
View
A
Retailer 3
-
£12,874 GBP
$17,250 USD
View
B+
Retailer 4
-
£15,253 GBP
$20,438 USD
View
B+
Retailer 5
-
£15,552 GBP
View
B+
Retailer 6
-
£19,345 GBP
$25,920 USD
View
B+
Retailer 7
-
£22,368 GBP
View
B+
Retailer 8
-
£24,048 GBP
€30,687 EUR
View
Most Expensive
B
Taylor and Hart
W4JB118 · Oct 31
£35,084 GBP
$47,008 USD
View
8 more retailers have this diamond
Prices start from £12,005 GBPSave up to £23,079 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
6.02ct Round
£12,005 GBP