Round|Lab Grown|IGI

1.02ct F FL Round Lab Grown Diamond

ID • F/FL • IGI LG815698286

Shape and cutting style on the report: Round brilliant

Certificate IGI LG815698286

Diamond specifications and retailer prices

From £163 GBP
$219 USD
As of November 1, 2026
Save £1,155 GBP (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,318 GBP at Helzberg Diamonds · As of November 2, 2026
View at Helzberg Diamonds

About this 1.02ct lab-grown round diamond

This 1.02ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG815698286 or 815698286. Listed at 21 retailers as of November 1, 2026, with prices from £163 to £1,318, a £1,155 spread on the same certified stone. Helzberg Diamonds lists it at £1,318. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
F
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815698286
Dimensions6.40 × 6.45 × 3.99 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
6.40 mm6.45 mm1.02 ctF / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815698286
Side View
Table 57.0%Crown 35.2°Girdle: MediumPavilion 41°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: Nov 1
Current: £341 GBP|Low: £163 GBP|High: £1,505 GBP|Avg: £482 GBP|-2.0%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 4£163 GBP
Retailer 6£183 GBP
Retailer 19£189 GBP
Retailer 10£203 GBP
Retailer 18£203 GBP
Retailer 12£327 GBP
Retailer 1£341 GBP
Retailer 2£346 GBP
Retailer 15£349 GBP
Retailer 5£354 GBP
Retailer 14£372 GBP
Retailer 9£377 GBP
Retailer 8£545 GBP
Retailer 11£651 GBP
Retailer 3£653 GBP
Retailer 7£690 GBP
Retailer 20£695 GBP
Retailer 13£715 GBP
Retailer 16£811 GBP
Retailer 17£931 GBP

29 data points across 20 retailers

21 retailers£163 GBP to £1,318 GBP

A
Cheapest Retailer
-
£163 GBP
$219 USD
A
Retailer 2
-
£183 GBP
$245 USD
View
Final sale: no returns
A
Retailer 3
-
£189 GBP
$254 USD
View
A
Retailer 4
-
£203 GBP
$272 USD
View
Retailer 5
-
£203 GBP
$272 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
£327 GBP
View
A
Retailer 7
-
£341 GBP
€436 EUR
View
B+
Retailer 8
-
£346 GBP
$464 USD
View
A
Retailer 9
-
£349 GBP
ZAR 7,573 ZAR
View
A
Retailer 10
-
£354 GBP
$475 USD
View
B+
Retailer 11
-
£372 GBP
View
B+
Retailer 12
-
£377 GBP
$506 USD
View
B+
Retailer 13
-
£545 GBP
SGD 989 SGD
View
B
Retailer 14
-
£651 GBP
$873 USD
View
B
Retailer 15
-
£653 GBP
$876 USD
View
B
Retailer 16
-
£690 GBP
$926 USD
View
B
Retailer 17
-
£695 GBP
$933 USD
View
B
Retailer 18
-
£715 GBP
$960 USD
View
B
Retailer 19
-
£811 GBP
View
B
Retailer 20
-
£931 GBP
$1,250 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOHLMPOIOM · Nov 2
£1,318 GBP
$1,769 USD
View
20 more retailers have this diamond
Prices start from £163 GBPSave up to £1,155 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
1.02ct Round
£163 GBP