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Radiant|Natural|GIA

3.70ct E SI1 Radiant Natural Diamond

ID • E/SI1 • GIA 6561441671

Certificate GIA 6561441671

Diamond specifications and retailer prices

From £39,072 GBP
HK$409,000 HKD
As of October 30, 2026
Save £39,701 GBP (50%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £78,773 GBP at With Clarity · As of October 30, 2026
View at With Clarity

About this 3.7ct natural radiant diamond

This 3.7ct natural radiant sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6561441671. Listed at 17 retailers as of October 30, 2026, with prices from £39,072 to £78,773, a £39,701 spread on the same certified stone. With Clarity lists it at £78,773. 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
E
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle51.54°
Pavilion angle65.81°
OriginNatural
Grading LabGIA
CertificateGIA 6561441671
Dimensions10.20 × 7.75 × 5.42 mm
L/W Ratio1.32
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
10.20 mm7.75 mm3.70 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561441671
Side View
Table 68.0%Crown 51.54°Girdle: THK-VTKPavilion 65.81°Culet: NDepth 69.9%

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: Oct 30
Current: £39,447 GBP|Low: £39,072 GBP|High: £80,043 GBP|Avg: £50,027 GBP|-2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
With Clarity
October 30, 2026
Retailer 11£39,072 GBP
Retailer 1£39,447 GBP
Retailer 14£41,100 GBP
Retailer 6£41,816 GBP
Retailer 5£43,772 GBP
Retailer 3£43,847 GBP
Retailer 4£43,847 GBP
Retailer 13£46,276 GBP
Retailer 7£48,285 GBP
Retailer 2£51,819 GBP
Retailer 9£52,497 GBP
Retailer 12£53,292 GBP
Retailer 10£55,879 GBP
Retailer 8£68,041 GBP
With Clarity£78,773 GBP

30 data points across 15 retailers

17 retailers£39,072 GBP to £78,773 GBP

A
Cheapest Retailer
-
£39,072 GBP
HK$409,000 HKD
A
Retailer 2
-
£39,447 GBP
₹5,033,838 INR
View
B+
Retailer 3
-
£41,100 GBP
$55,070 USD
View
Retailer 4
-
£41,816 GBP
A$86,197 AUD
View
Price last confirmed 26 days ago
B+
Retailer 5
-
£43,377 GBP
A$89,417 AUD
View
Retailer 6
-
£43,772 GBP
SGD 79,256 SGD
View
Price last confirmed 20 days ago
B+
Retailer 7
-
£43,847 GBP
$58,750 USD
View
Final sale: no returns
B+
Retailer 8
-
£43,847 GBP
$58,750 USD
View
B+
Retailer 9
-
£46,276 GBP
$62,005 USD
View
B+
Retailer 10
-
£48,285 GBP
View
B
Retailer 11
-
£49,826 GBP
$66,761 USD
View
B+
Retailer 12
-
£51,819 GBP
$69,432 USD
View
B+
Retailer 13
-
£52,497 GBP
€66,991 EUR
View
B+
Retailer 14
-
£53,292 GBP
$71,405 USD
View
B+
Retailer 15
-
£55,879 GBP
ZAR 1,209,555 ZAR
View
B
Retailer 16
-
£68,041 GBP
View
Most Expensive
B
With Clarity
6561441671 · Oct 30
£78,773 GBP
$105,547 USD
View
16 more retailers have this diamond
Prices start from £39,072 GBPSave up to £39,701 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 Radiant
£39,072 GBP