Radiant|Natural|GIA

1.71ct D SI1 Radiant Natural Diamond

EX • D/SI1 • GIA 2516933916

Certificate GIA 2516933916

Diamond specifications and retailer prices

From $9,636 USD
CA$13,384 CAD
As of October 30, 2026
Save $7,018 USD (42%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $16,654 USD 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 $9,636 to $16,654, a $7,018 spread on the same certified stone. NZ Jewellers lists it at $16,654. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $16,654 USD|Low: $9,636 USD|High: $18,627 USD|Avg: $12,646 USD|-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
October 31, 2026
Retailer 9$9,636 USD
Retailer 5$9,752 USD
Retailer 7$10,845 USD
Retailer 10$10,897 USD
Retailer 6$11,203 USD
Retailer 13$11,247 USD
Retailer 8$11,649 USD
Retailer 4$11,820 USD
Retailer 14$11,820 USD
Retailer 2$12,093 USD
Retailer 3$12,220 USD
Retailer 12$12,283 USD
Retailer 11$15,626 USD
NZ Jewellers$16,654 USD

40 data points across 14 retailers

16 retailers$9,636 USD to $16,654 USD

Retailer 1
-
$9,636 USD
CA$13,384 CAD
Price last confirmed 8 days ago
B+
Retailer 2
-
$9,636 USD
CA$13,384 CAD
View
B+
Retailer 3
-
$9,752 USD
View
B+
Retailer 4
-
$10,845 USD
View
B+
Retailer 5
-
$10,897 USD
£8,581 GBP
View
Retailer 6
-
$11,203 USD
View
Price last confirmed 7 days ago
Retailer 7
-
$11,247 USD
View
Price last confirmed 10 days ago
B+
Retailer 8
-
$11,649 USD
View
B+
Retailer 9
-
$11,820 USD
View
B+
Retailer 10
-
$11,820 USD
View
B+
Retailer 11
-
$12,093 USD
€11,517 EUR
View
B+
Retailer 12
-
$12,220 USD
View
Retailer 13
-
$12,283 USD
View
Price last confirmed 7 days ago
B
Retailer 14
-
$15,626 USD
£12,304 GBP
View
Retailer 15
-
$16,654 USD
View
Price last confirmed 7 days ago
Most Expensive
B
NZ Jewellers
8a3d82ec-ec0e-4bb2-845f-327448d368dc · Oct 30
$16,654 USD
View
15 more retailers have this diamond
Prices start from $9,636 USDSave up to $7,018 USD

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
$9,636 USD