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Radiant|Natural|GIA

1.71ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 6545687979

Certificate GIA 6545687979

Diamond specifications and retailer prices

From $18,641 NZD
CA$14,567 CAD
As of November 2, 2026
Save $3,894 NZD (17%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $22,534 NZD at The Diamond Guys · As of November 2, 2026
View at The Diamond Guys

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 6545687979. Listed at 3 retailers as of November 2, 2026, with prices from $18,641 to $22,534, a $3,894 spread on the same certified stone. The Diamond Guys lists it at $22,534. 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
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6545687979
Dimensions7.97 × 6.00 × 4.06 mm
L/W Ratio1.33
Top View
7.97 mm6.00 mm1.71 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545687979
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.6%

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: $18,641 NZD|Low: $11,435 NZD|High: $28,575 NZD|Avg: $20,649 NZD|-5.3%
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
Retailer 15
The Diamond Guys
October 15, 2026
Retailer 7$11,435 NZD
Retailer 6$15,031 NZD
Retailer 5$15,439 NZD
Retailer 10$17,832 NZD
Retailer 1$18,641 NZD
Retailer 12$20,505 NZD
Retailer 9$20,840 NZD
Retailer 8$20,979 NZD
Retailer 11$22,430 NZD
Retailer 13$22,430 NZD
The Diamond Guys$22,534 NZD
Retailer 15$23,176 NZD
Retailer 3$23,600 NZD
Retailer 2$24,426 NZD
Retailer 14$25,282 NZD
Retailer 4$28,517 NZD

46 data points across 16 retailers

3 retailers$18,641 NZD to $22,534 NZD

B+
Cheapest Retailer
-
$18,641 NZD
CA$14,567 CAD
B
Retailer 2
-
$20,979 NZD
$11,804 USD
View
Most Expensive
B
The Diamond Guys
1961935089 · Nov 2
$22,534 NZD
$12,679 USD
View
2 more retailers have this diamond
Prices start from $18,641 NZDSave up to $3,894 NZD

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
$18,641 NZD