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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 $74,528 AUD
HK$409,000 HKD
As of October 30, 2026
Save $75,728 AUD (50%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $150,257 AUD 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 $74,528 to $150,257, a $75,728 spread on the same certified stone. With Clarity lists it at $150,257. 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: $100,295 AUD|Low: $74,528 AUD|High: $152,680 AUD|Avg: $95,413 AUD|-0.8%
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 31, 2026
Retailer 11$74,528 AUD
Retailer 7$75,245 AUD
Retailer 14$78,398 AUD
Retailer 6$79,762 AUD
Retailer 5$83,493 AUD
Retailer 3$83,637 AUD
Retailer 4$83,637 AUD
Retailer 13$88,270 AUD
Retailer 8$92,102 AUD
Retailer 2$98,843 AUD
Retailer 1$100,295 AUD
Retailer 12$101,652 AUD
Retailer 10$106,587 AUD
Retailer 9$129,785 AUD
With Clarity$150,257 AUD

31 data points across 15 retailers

17 retailers$74,528 AUD to $150,257 AUD

A
Cheapest Retailer
-
$74,528 AUD
HK$409,000 HKD
A
Retailer 2
-
$75,245 AUD
₹5,033,838 INR
View
B+
Retailer 3
-
$78,398 AUD
$55,070 USD
View
Retailer 4
-
$79,762 AUD
View
Price last confirmed 27 days ago
B+
Retailer 5
-
$82,741 AUD
View
Retailer 6
-
$83,493 AUD
SGD 79,256 SGD
View
Price last confirmed 21 days ago
B+
Retailer 7
-
$83,637 AUD
$58,750 USD
View
Final sale: no returns
B+
Retailer 8
-
$83,637 AUD
$58,750 USD
View
B+
Retailer 9
-
$88,270 AUD
$62,005 USD
View
B+
Retailer 10
-
$92,102 AUD
£50,942 GBP
View
B
Retailer 11
-
$95,041 AUD
$66,761 USD
View
B+
Retailer 12
-
$98,843 AUD
$69,432 USD
View
B+
Retailer 13
-
$100,295 AUD
€67,097 EUR
View
B+
Retailer 14
-
$101,652 AUD
$71,405 USD
View
B+
Retailer 15
-
$106,587 AUD
ZAR 1,209,555 ZAR
View
B
Retailer 16
-
$129,785 AUD
£71,785 GBP
View
Most Expensive
B
With Clarity
6561441671 · Oct 30
$150,257 AUD
$105,547 USD
View
16 more retailers have this diamond
Prices start from $74,528 AUDSave up to $75,728 AUD

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
$74,528 AUD