Round|Natural|GIA

5.65ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2221910038

Certificate GIA 2221910038

Diamond specifications and retailer prices

From £108,202 GBP
As of October 31, 2026
Save £67,559 GBP (38%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £175,761 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 5.65ct natural round diamond

This 5.65ct natural round sits in the over five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2221910038. Listed at 5 retailers as of October 29, 2026, with prices from £108,202 to £175,761, a £67,559 spread on the same certified stone. MOH London lists it at £175,761. 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

5.65
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2221910038
Dimensions11.50 × 11.41 × 7.00 mm
L/W Ratio1.01
Star length45%
Lower girdle80%
Top View
11.50 mm11.41 mm5.65 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2221910038
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.1%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: £175,761 GBP|Low: £96,948 GBP|High: £176,930 GBP|Avg: £119,901 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 4£96,948 GBP
Retailer 6£99,311 GBP
Retailer 5£104,271 GBP
Retailer 2£108,202 GBP
Retailer 3£135,823 GBP
MOH London£175,761 GBP

41 data points across 6 retailers

5 retailers£108,202 GBP to £175,761 GBP

Retailer 1
-
£96,948 GBP
$129,900 USD
Price last confirmed 13 days ago
Retailer 2
-
£104,271 GBP
A$214,940 AUD
View
Price last confirmed 27 days ago
B+
Retailer 3
-
£108,202 GBP
View
B+
Retailer 4
-
£135,823 GBP
€173,322 EUR
View
Most Expensive
B
MOH London
E50D877F4 · Oct 29
£175,761 GBP
View
4 more retailers have this diamond
Prices start from £108,202 GBPSave up to £67,559 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+
5.65ct Round
£108,202 GBP