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Round|Natural|GIA

3.70ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 1563208061

Certificate GIA 1563208061

Diamond specifications and retailer prices

From £17,755 GBP
As of November 4, 2026
Save £14,582 GBP (45%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £32,337 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 3.7ct natural round diamond

This 3.7ct natural round sits in the three to five carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1563208061. Listed at 17 retailers as of November 4, 2026, with prices from £17,755 to £32,337, a £14,582 spread on the same certified stone. MOH London lists it at £32,337. 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

3.70
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle32.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1563208061
Dimensions9.98 × 10.04 × 6.00 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Cloud, Crystal, Knot, Needle, Indented Natural
Top View
9.98 mm10.04 mm3.70 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1563208061
Side View
Table 60.0%Crown 32.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £32,337 GBP|Low: £18,500 GBP|High: £32,771 GBP|Avg: £23,707 GBP|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 7£18,500 GBP
Retailer 4£20,410 GBP
Retailer 5£20,748 GBP
Retailer 3£21,626 GBP
Retailer 9£22,917 GBP
Retailer 2£23,758 GBP
Retailer 8£23,848 GBP
Retailer 10£24,062 GBP
Retailer 11£24,826 GBP
Retailer 6£25,048 GBP
Retailer 12£25,781 GBP
MOH London£32,337 GBP

27 data points across 12 retailers

17 retailers£17,755 GBP to £32,337 GBP

A
Cheapest Retailer
-
£17,755 GBP
A
Retailer 2
-
£18,500 GBP
View
Retailer 3
-
£19,572 GBP
View
Price last confirmed 25 days ago
B+
Retailer 4
-
£20,410 GBP
View
B+
Retailer 5
-
£20,575 GBP
View
B+
Retailer 6
-
£20,748 GBP
View
B+
Retailer 7
-
£21,626 GBP
View
B+
Retailer 8
-
£22,323 GBP
View
Retailer 9
-
£22,917 GBP
View
Price last confirmed 8 days ago
B+
Retailer 10
-
£23,758 GBP
View
B+
Retailer 11
-
£23,848 GBP
View
B+
Retailer 12
-
£24,062 GBP
View
B
Retailer 13
-
£24,826 GBP
View
B
Retailer 14
-
£25,048 GBP
View
B
Retailer 15
-
£25,505 GBP
View
B
Retailer 16
-
£25,781 GBP
View
Most Expensive
B
MOH London
F638FD2E3 · Nov 4
£32,337 GBP
View
16 more retailers have this diamond
Prices start from £17,755 GBPSave up to £14,582 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
3.70ct Round
£17,755 GBP