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Round|Lab Grown|GIA

1.35ct D I1 Round Lab Grown Diamond

EX • D/I1 • GIA 1423277638

Certificate GIA 1423277638

Diamond specifications and retailer prices

From £594 GBP
$796 USD
As of October 30, 2026
Save £1,731 GBP (74%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £2,325 GBP at Yorxs · As of October 29, 2026
View at Yorxs

About this 1.35ct lab-grown round diamond

This 1.35ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 1423277638. Listed at 2 retailers as of October 29, 2026, with prices from £594 to £2,325, a £1,731 spread on the same certified stone. Yorxs lists it at £2,325. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.35
Carat
D
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41°
OriginLab Grown
Grading LabGIA
CertificateGIA 1423277638
Dimensions7.13 × 7.16 × 4.38 mm
L/W Ratio1.00
Culet sizeNone
Top View
7.13 mm7.16 mm1.35 ctD / I1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1423277638
Side View
Table 55.0%Crown 33°Girdle: MediumPavilion 41°Culet: NoneDepth 61.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £594 GBP|Low: £594 GBP|High: £2,325 GBP|Avg: £1,448 GBP|-5.4%
Retailer 1
Yorxs
October 29, 2026
Retailer 1£594 GBP
Yorxs£2,325 GBP

17 data points across 2 retailers

2 retailers£594 GBP to £2,325 GBP

A
Cheapest Retailer
-
£594 GBP
$796 USD
Most Expensive
B+
Yorxs
358150312 · Oct 29
£2,325 GBP
€2,967 EUR
View
1 more retailer has this diamond
Prices start from £594 GBPSave up to £1,731 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
1.35ct Round
£594 GBP