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Radiant|Natural|GIA

1.70ct D SI1 Radiant Natural Diamond

EX • D/SI1 • GIA 6214230586

Certificate GIA 6214230586

Diamond specifications and retailer prices

From $21,755 NZD
$12,261 USD
As of October 31, 2026
Save $6,943 NZD (24%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $28,698 NZD at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 1.7ct natural radiant diamond

This 1.7ct 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 6214230586. Listed at 7 retailers as of October 31, 2026, with prices from $21,755 to $28,698, a $6,943 spread on the same certified stone. 77 Diamonds lists it at $28,698. 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

1.70
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6214230586
Dimensions7.57 × 6.01 × 4.13 mm
L/W Ratio1.26
Top View
7.57 mm6.01 mm1.70 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6214230586
Side View
Table 67.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.7%

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 31
Current: $28,698 NZD|Low: $21,506 NZD|High: $28,843 NZD|Avg: $24,814 NZD|+1.8%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 4$21,755 NZD
Retailer 5$23,588 NZD
Retailer 2$24,088 NZD
Retailer 3$26,677 NZD
77 Diamonds$28,698 NZD

35 data points across 5 retailers

7 retailers$21,755 NZD to $28,698 NZD

B+
Cheapest Retailer
-
$21,755 NZD
$12,261 USD
B+
Retailer 2
-
$22,894 NZD
$12,903 USD
View
B
Retailer 3
-
$23,460 NZD
A$20,341 AUD
View
B
Retailer 4
-
$23,588 NZD
CA$18,465 CAD
View
B
Retailer 5
-
$24,088 NZD
$13,576 USD
View
Final sale: no returns
B
Retailer 6
-
$26,677 NZD
$15,035 USD
View
Most Expensive
B
77 Diamonds
RADMBXQUU5ZTS · Nov 2
$28,698 NZD
£12,736 GBP
View
6 more retailers have this diamond
Prices start from $21,755 NZDSave up to $6,943 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+
1.70ct Radiant
$21,755 NZD