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Round|Natural|GIA

1.35ct M SI1 Round Natural Diamond

GD • M/SI1 • GIA 2183698756

Certificate GIA 2183698756

Diamond specifications and retailer prices

From £1,570 GBP
As of November 4, 2026
Save £1,299 GBP (45%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £2,869 GBP at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

About this 1.35ct natural round diamond

This 1.35ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a standard cut grade and certified by GIA 2183698756. Listed at 4 retailers as of November 4, 2026, with prices from £1,570 to £2,869, a £1,299 spread on the same certified stone. Wholesale Diamonds Direct lists it at £2,869. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.35
Carat
M
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryFair
FluorescenceFaint
Crown angle39°
Pavilion angle43°
OriginNatural
Grading LabGIA
CertificateGIA 2183698756
Dimensions6.85 × 7.04 × 4.42 mm
L/W Ratio1.03
Star length55%
Lower girdle70%
Culet sizeNone
Top View
6.85 mm7.04 mm1.35 ctM / SI1
OriginNatural
CutGood
PolishVery Good
SymmetryFair
FluorescenceFaint
CertificateGIA 2183698756
Side View
Table 67.0%Crown 39°Girdle: VTN-STKPavilion 43°Culet: NoneDepth 63.7%

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 4
Current: £2,316 GBP|Low: £1,554 GBP|High: £2,869 GBP|Avg: £2,076 GBP|+2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
November 5, 2026
Retailer 2£1,570 GBP
Retailer 4£1,631 GBP
Retailer 5£1,798 GBP
Retailer 7£1,938 GBP
Retailer 1£2,316 GBP
Retailer 3£2,370 GBP
Retailer 6£2,404 GBP
Wholesale Diamonds Direct£2,869 GBP

22 data points across 8 retailers

4 retailers£1,570 GBP to £2,869 GBP

B+
Cheapest Retailer
-
£1,570 GBP
B
Retailer 2
-
£1,798 GBP
View
C
Retailer 3
-
£2,316 GBP
View
Most Expensive
C
Wholesale Diamonds Direct
107798300 · Nov 4
£2,869 GBP
$3,861 USD
View
3 more retailers have this diamond
Prices start from £1,570 GBPSave up to £1,299 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+
1.35ct Round
£1,570 GBP