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Round|Lab Grown|IGI

1.03ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG837612104

Shape and cutting style on the report: Round brilliant

Certificate IGI LG837612104

Diamond specifications and retailer prices

From £168 GBP
$224 USD
As of October 30, 2026
Save £730 GBP (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £898 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.03ct lab-grown round diamond

This 1.03ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG837612104 or 837612104. Listed at 16 retailers as of October 30, 2026, with prices from £168 to £898, a £730 spread on the same certified stone. Reve Diamonds lists it at £898. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837612104
Dimensions6.54 × 6.57 × 3.97 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
6.54 mm6.57 mm1.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837612104
Side View
Table 57.0%Crown 33.5°Girdle: MediumPavilion 41°Culet: NoneDepth 60.6%

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 30
Current: £297 GBP|Low: £168 GBP|High: £904 GBP|Avg: £477 GBP|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Reve Diamonds
October 30, 2026
Retailer 9£168 GBP
Retailer 8£257 GBP
Retailer 1£297 GBP
Retailer 5£321 GBP
Retailer 3£342 GBP
Retailer 10£394 GBP
Retailer 6£456 GBP
Retailer 7£603 GBP
Retailer 2£641 GBP
Retailer 4£878 GBP
Reve Diamonds£898 GBP

37 data points across 11 retailers

16 retailers£168 GBP to £898 GBP

Retailer 1
-
£145 GBP
$193 USD
Price last confirmed 22 days ago
A
Retailer 2
-
£168 GBP
$224 USD
View
Final sale: no returns
Retailer 3
-
£175 GBP
$233 USD
View
Price last confirmed 24 days ago
Retailer 4
-
£187 GBP
$249 USD
View
Price last confirmed 22 days ago
Retailer 5
-
£187 GBP
$249 USD
View
Price last confirmed 28 days ago
A
Retailer 6
-
£257 GBP
$342 USD
View
A
Retailer 7
-
£297 GBP
View
A
Retailer 8
-
£321 GBP
ZAR 6,902 ZAR
View
A
Retailer 9
-
£342 GBP
View
A
Retailer 10
-
£394 GBP
$525 USD
View
B+
Retailer 11
-
£456 GBP
A$935 AUD
View
Retailer 12
-
£601 GBP
$800 USD
View
Price last confirmed 26 days ago
B+
Retailer 13
-
£603 GBP
$803 USD
View
B+
Retailer 14
-
£641 GBP
$853 USD
View
B
Retailer 15
-
£878 GBP
View
Most Expensive
B
Reve Diamonds
50B7AB8FE · Oct 30
£898 GBP
$1,196 USD
View
15 more retailers have this diamond
Prices start from £168 GBPSave up to £730 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
1.03ct Round
£168 GBP