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Round|Lab Grown|IGI

10.12ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG602313070

Shape and cutting style on the report: Round brilliant

Certificate IGI LG602313070

Diamond specifications and retailer prices

From £3,761 GBP
$5,047 USD
As of November 1, 2026
Save £2,982 GBP (44%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £12,130 GBP at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 10.12ct lab-grown round diamond

This 10.12ct lab-grown round sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG602313070 or 602313070. Listed at 16 retailers as of November 1, 2026, with a 79% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

10.12
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602313070
Dimensions13.88 × 13.81 × 8.50 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
13.88 mm13.81 mm10.12 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602313070
Side View
Table 57.0%Crown 34.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £5,557 GBP|Low: £3,761 GBP|High: £12,130 GBP|Avg: £6,890 GBP|+1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Reve Diamonds
November 2, 2026
Retailer 7£3,761 GBP
Retailer 9£4,212 GBP
Retailer 3£4,303 GBP
Retailer 4£4,363 GBP
Retailer 2£4,870 GBP
Retailer 5£5,470 GBP
Retailer 1£5,557 GBP
Retailer 6£6,742 GBP
Retailer 11£6,892 GBP
Retailer 8£10,634 GBP
Retailer 10£11,116 GBP
Reve Diamonds£12,130 GBP

39 data points across 12 retailers

16 retailers£3,761 GBP to £6,742 GBP

B+
Cheapest Retailer
-
£3,761 GBP
$5,047 USD
B
Retailer 2
-
£3,941 GBP
$5,289 USD
View
B+
Retailer 3
-
£4,212 GBP
$5,652 USD
View
Final sale: no returns
B
Retailer 4
-
£4,363 GBP
$5,855 USD
View
Retailer 5
-
£4,363 GBP
$5,855 USD
View
Price last confirmed 20 days ago
B
Retailer 6
-
£4,363 GBP
$5,855 USD
View
B
Retailer 7
-
£4,870 GBP
$6,535 USD
View
B
Retailer 8
-
£5,179 GBP
$6,950 USD
View
B
Retailer 9
-
£5,179 GBP
HK$54,300 HKD
View
B
Retailer 10
-
£5,470 GBP
$7,341 USD
View
B
Retailer 11
-
£5,557 GBP
View
B
Retailer 12
-
£6,742 GBP
$9,048 USD
View
Retailer 13
-
£10,634 GBP
$14,270 USD
View
Price under review
Retailer 14
-
£11,116 GBP
$14,917 USD
View
Price under review
Most Expensive
Reve Diamonds
3C5AF62D2 · Nov 1
£12,130 GBP
$16,278 USD
View
Price under review
14 more retailers have this diamond
Prices start from £3,761 GBPSave up to £2,982 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.

B+
10.12ct Round
£3,761 GBP