Round|Lab Grown|GIA

1.42ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • GIA 2467951542

Shape and cutting style on the report: Round brilliant

Certificate GIA 2467951542

Diamond specifications and retailer prices

From £175 GBP
$235 USD
As of November 1, 2026
Save £816 GBP (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,687 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.42ct lab-grown round diamond

This 1.42ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2467951542. Listed at 17 retailers as of October 31, 2026, with a 465% 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

1.42
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 2467951542
Dimensions7.18 × 7.15 × 4.44 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
7.18 mm7.15 mm1.42 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2467951542
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
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: Nov 1
Current: £962 GBP|Low: £169 GBP|High: £991 GBP|Avg: £448 GBP
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
November 1, 2026
Retailer 9£175 GBP
Retailer 4£196 GBP
Retailer 2£204 GBP
Retailer 5£218 GBP
Retailer 10£218 GBP
Retailer 11£303 GBP
Retailer 6£413 GBP
Retailer 13£458 GBP
Retailer 7£527 GBP
Retailer 8£702 GBP
Retailer 3£772 GBP
Retailer 1£962 GBP
Retailer 12£991 GBP

43 data points across 13 retailers

17 retailers£175 GBP to £991 GBP

A
Cheapest Retailer
-
£175 GBP
$235 USD
A
Retailer 2
-
£196 GBP
$263 USD
View
Final sale: no returns
A
Retailer 3
-
£204 GBP
$273 USD
View
Retailer 4
-
£218 GBP
$292 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
£218 GBP
$292 USD
View
B+
Retailer 6
-
£303 GBP
$406 USD
View
A
Retailer 7
-
£342 GBP
$458 USD
View
B+
Retailer 8
-
£413 GBP
View
B+
Retailer 9
-
£458 GBP
$614 USD
View
B+
Retailer 10
-
£474 GBP
$635 USD
View
B+
Retailer 11
-
£554 GBP
CA$1,030 CAD
View
B
Retailer 12
-
£702 GBP
$941 USD
View
B
Retailer 13
-
£772 GBP
$1,035 USD
View
B
Retailer 14
-
£898 GBP
$1,204 USD
View
B
Retailer 15
-
£962 GBP
View
B
Retailer 16
-
£991 GBP
$1,328 USD
View
Most Expensive
Do Amore Diamonds
27-07F91BB5B · Oct 31
£1,687 GBP
$2,260 USD
View
Price under review
16 more retailers have this diamond
Prices start from £175 GBPSave up to £816 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
1.42ct Round
£175 GBP