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Round|Natural|GIA

1.65ct D I1 Round Natural Diamond

VG • D/I1 • GIA 6234360857

Certificate GIA 6234360857

Diamond specifications and retailer prices

From £4,709 GBP
$6,310 USD
As of November 1, 2026
Save £1,769 GBP (27%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £6,478 GBP at Jared · As of November 2, 2026
View at Jared

About this 1.65ct natural round diamond

This 1.65ct natural round sits in the one-and-a-half to two carat band, graded D colour (colourless) and I1 clarity (included), with a very-good cut grade and certified by GIA 6234360857. Listed at 4 retailers as of November 1, 2026, with prices from £4,709 to £6,478, a £1,769 spread on the same certified stone. Jared lists it at £6,478. 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

1.65
Carat
D
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishGood
SymmetryGood
FluorescenceMedium
Crown angle35°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6234360857
Dimensions7.69 × 7.59 × 4.59 mm
L/W Ratio1.01
Star length55%
Lower girdle80%
Culet sizeVery Small
Top View
7.69 mm7.59 mm1.65 ctD / I1
OriginNatural
CutVery Good
PolishGood
SymmetryGood
FluorescenceMedium
CertificateGIA 6234360857
Side View
Table 58.0%Crown 35°Girdle: THN-STKPavilion 40.6°Culet: Very SmallDepth 60.1%

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: £6,478 GBP|Low: £3,931 GBP|High: £10,197 GBP|Avg: £6,122 GBP
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 18, 2026
Retailer 10£3,931 GBP
Retailer 2£4,709 GBP
Retailer 4£5,098 GBP
Retailer 5£5,524 GBP
Retailer 8£6,269 GBP
Retailer 9£6,269 GBP
Retailer 6£6,370 GBP
Retailer 7£6,373 GBP
Jared£6,478 GBP
Retailer 3£10,197 GBP

2 data points across 10 retailers

4 retailers£4,709 GBP to £6,478 GBP

B+
Cheapest Retailer
-
£4,709 GBP
$6,310 USD
B
Retailer 2
-
£6,269 GBP
$8,400 USD
View
B
Retailer 3
-
£6,269 GBP
$8,400 USD
View
Most Expensive
B
Jared
153649537 · Nov 2
£6,478 GBP
$8,680 USD
View
3 more retailers have this diamond
Prices start from £4,709 GBPSave up to £1,769 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+
1.65ct Round
£4,709 GBP