Radiant|Natural|GIA

1.71ct D SI1 Radiant Natural Diamond

EX • D/SI1 • GIA 2516933916

Certificate GIA 2516933916

Diamond specifications and retailer prices

From $17,098 NZD
CA$13,384 CAD
As of October 30, 2026
Save $12,451 NZD (42%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $29,549 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.71ct natural radiant diamond

This 1.71ct natural radiant sits in the one-and-a-half to two carat band, graded D 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 2516933916. Listed at 16 retailers as of October 30, 2026, with prices from $17,098 to $29,549, a $12,451 spread on the same certified stone. NZ Jewellers lists it at $29,549. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.6°
Pavilion angle30.56°
OriginNatural
Grading LabGIA
CertificateGIA 2516933916
Dimensions7.70 × 5.94 × 4.03 mm
L/W Ratio1.30
Top View
7.70 mm5.94 mm1.71 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2516933916
Side View
Table 65.0%Crown 44.6°Girdle: STK-THKPavilion 30.56°Culet: NoneDepth 67.8%

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: Oct 30
Current: $29,549 NZD|Low: $17,098 NZD|High: $33,050 NZD|Avg: $22,375 NZD|-10.6%
NZ Jewellers
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
November 2, 2026
Retailer 11$17,098 NZD
Retailer 5$17,303 NZD
Retailer 9$19,242 NZD
Retailer 7$19,336 NZD
Retailer 6$19,877 NZD
Retailer 13$19,956 NZD
Retailer 10$20,669 NZD
Retailer 4$20,972 NZD
Retailer 14$20,972 NZD
Retailer 2$21,523 NZD
Retailer 3$21,682 NZD
Retailer 12$21,794 NZD
Retailer 8$27,689 NZD
NZ Jewellers$29,549 NZD

40 data points across 14 retailers

16 retailers$17,098 NZD to $29,549 NZD

Retailer 1
-
$17,098 NZD
CA$13,384 CAD
Price last confirmed 10 days ago
B+
Retailer 2
-
$17,098 NZD
CA$13,384 CAD
View
B+
Retailer 3
-
$17,303 NZD
$9,752 USD
View
B+
Retailer 4
-
$19,242 NZD
$10,845 USD
View
B+
Retailer 5
-
$19,336 NZD
£8,581 GBP
View
Retailer 6
-
$19,877 NZD
$11,203 USD
View
Price last confirmed 9 days ago
Retailer 7
-
$19,956 NZD
$11,247 USD
View
Price last confirmed 11 days ago
B+
Retailer 8
-
$20,669 NZD
$11,649 USD
View
B+
Retailer 9
-
$20,972 NZD
$11,820 USD
View
B+
Retailer 10
-
$20,972 NZD
$11,820 USD
View
B+
Retailer 11
-
$21,523 NZD
€11,553 EUR
View
B+
Retailer 12
-
$21,682 NZD
$12,220 USD
View
Retailer 13
-
$21,794 NZD
$12,283 USD
View
Price last confirmed 9 days ago
B
Retailer 14
-
$27,689 NZD
£12,288 GBP
View
Retailer 15
-
$29,549 NZD
$16,654 USD
View
Price last confirmed 9 days ago
Most Expensive
B
NZ Jewellers
8a3d82ec-ec0e-4bb2-845f-327448d368dc · Oct 30
$29,549 NZD
$16,654 USD
View
15 more retailers have this diamond
Prices start from $17,098 NZDSave up to $12,451 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
$17,098 NZD