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Round|Lab Grown|IGI

1.02ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG811619737

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811619737

Diamond specifications and retailer prices

From £275 GBP
$368 USD
As of October 29, 2026
Save £1,434 GBP (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,709 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.02ct lab-grown round diamond

This 1.02ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811619737 or 811619737. Listed at 22 retailers as of October 29, 2026, with prices from £275 to £1,709, a £1,434 spread on the same certified stone. Brilliant Earth lists it at £1,709. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811619737
Dimensions6.52 × 6.49 × 4.01 mm
L/W Ratio1.00
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
6.52 mm6.49 mm1.02 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811619737
Side View
Table 57.0%Crown 35.5°Girdle: THN-MEDPavilion 41.1°Culet: NoneDepth 61.6%

Caratlytics Score

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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: £1,709 GBP|Low: £263 GBP|High: £1,709 GBP|Avg: £675 GBP
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
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 16£275 GBP
Retailer 15£318 GBP
Retailer 5£340 GBP
Retailer 6£340 GBP
Retailer 13£429 GBP
Retailer 8£455 GBP
Retailer 2£541 GBP
Retailer 11£557 GBP
Retailer 10£576 GBP
Retailer 12£584 GBP
Retailer 9£612 GBP
Retailer 3£772 GBP
Retailer 7£849 GBP
Retailer 4£1,093 GBP
Retailer 14£1,331 GBP
Brilliant Earth£1,709 GBP

33 data points across 16 retailers

22 retailers£275 GBP to £1,709 GBP

A
Cheapest Retailer
-
£275 GBP
$368 USD
A
Retailer 2
-
£307 GBP
$412 USD
View
Final sale: no returns
A
Retailer 3
-
£318 GBP
$426 USD
View
A
Retailer 4
-
£340 GBP
$456 USD
View
A
Retailer 5
-
£340 GBP
$456 USD
View
Retailer 6
-
£428 GBP
$574 USD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
£429 GBP
$575 USD
View
B+
Retailer 8
-
£455 GBP
$610 USD
View
B+
Retailer 9
-
£514 GBP
$689 USD
View
B+
Retailer 10
-
£541 GBP
View
B+
Retailer 11
-
£557 GBP
A$1,148 AUD
View
B+
Retailer 12
-
£576 GBP
€735 EUR
View
B+
Retailer 13
-
£584 GBP
ZAR 12,651 ZAR
View
B+
Retailer 14
-
£612 GBP
View
Retailer 15
-
£772 GBP
$1,035 USD
View
Price last confirmed 12 days ago
B
Retailer 16
-
£849 GBP
$1,137 USD
View
B
Retailer 17
-
£900 GBP
SGD 1,630 SGD
View
B
Retailer 18
-
£1,093 GBP
$1,465 USD
View
B
Retailer 19
-
£1,123 GBP
$1,505 USD
View
B
Retailer 20
-
£1,290 GBP
$1,728 USD
View
B
Retailer 21
-
£1,331 GBP
View
Most Expensive
B
Brilliant Earth
20986769A · Oct 29
£1,709 GBP
$2,290 USD
View
21 more retailers have this diamond
Prices start from £275 GBPSave up to £1,434 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
£275 GBP