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Radiant|Natural|GIA

1.71ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 6237653056

Certificate GIA 6237653056

Diamond specifications and retailer prices

From $11,505 AUD
$8,063 USD
As of November 2, 2026
Save $7,003 AUD (38%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $18,508 AUD at Cape Diamonds · As of October 31, 2026
View at Cape Diamonds

About this 1.71ct natural radiant diamond

This 1.71ct natural radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6237653056. Listed at 8 retailers as of October 31, 2026, with prices from $11,505 to $18,508, a $7,003 spread on the same certified stone. Cape Diamonds lists it at $18,508. 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

1.71
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6237653056
Dimensions7.61 × 5.87 × 4.02 mm
L/W Ratio1.30
Top View
7.61 mm5.87 mm1.71 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6237653056
Side View
Table 66.0%CrownGirdle: VTK-VTKPavilionCulet: NoneDepth 68.5%

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 2
Current: $18,508 AUD|Low: $11,006 AUD|High: $18,508 AUD|Avg: $13,641 AUD|+3.1%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 6$11,505 AUD
Retailer 5$11,641 AUD
Retailer 4$12,106 AUD
Retailer 3$14,005 AUD
Retailer 2$14,747 AUD
Cape Diamonds$18,508 AUD

37 data points across 6 retailers

8 retailers$11,505 AUD to $18,508 AUD

B+
Cheapest Retailer
-
$11,505 AUD
$8,063 USD
B+
Retailer 2
-
$11,641 AUD
$8,158 USD
View
B+
Retailer 3
-
$11,789 AUD
View
B+
Retailer 4
-
$12,106 AUD
$8,484 USD
View
Final sale: no returns
B
Retailer 5
-
$14,005 AUD
$9,815 USD
View
Retailer 6
-
$14,005 AUD
$9,815 USD
View
Price last confirmed 12 days ago
B+
Retailer 7
-
$14,747 AUD
£8,138 GBP
View
Most Expensive
B
Cape Diamonds
cert_6237653056 · Oct 31
$18,508 AUD
ZAR 209,546 ZAR
View
7 more retailers have this diamond
Prices start from $11,505 AUDSave up to $7,003 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.

B+
1.71ct Radiant
$11,505 AUD