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Radiant|Natural|GIA

1.70ct D SI1 Radiant Natural Diamond

EX • D/SI1 • GIA 6555036797

Certificate GIA 6555036797

Diamond specifications and retailer prices

From $15,477 AUD
As of November 1, 2026
Save $3,505 AUD (18%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $18,982 AUD at 77 Diamonds · As of November 1, 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 6555036797. Listed at 3 retailers as of November 1, 2026, with prices from $15,477 to $18,982, a $3,505 spread on the same certified stone. 77 Diamonds lists it at $18,982. 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
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 6555036797
Dimensions8.59 × 5.88 × 3.87 mm
L/W Ratio1.46
Top View
8.59 mm5.88 mm1.70 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 6555036797
Side View
Table 67.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 65.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 1
Current: $18,982 AUD|Low: $10,821 AUD|High: $19,266 AUD|Avg: $14,222 AUD|+1.0%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 3$10,821 AUD
Retailer 8$12,263 AUD
Retailer 6$12,983 AUD
Retailer 7$13,511 AUD
Retailer 9$14,179 AUD
Retailer 4$14,504 AUD
Retailer 5$15,016 AUD
Retailer 2$15,623 AUD
77 Diamonds$18,982 AUD

36 data points across 9 retailers

3 retailers$15,477 AUD to $18,982 AUD

B
Cheapest Retailer
-
$15,477 AUD
B
Retailer 2
-
$15,623 AUD
CA$15,242 CAD
View
Most Expensive
B
77 Diamonds
RADMBVAM2Y3CV · Nov 1
$18,982 AUD
£10,499 GBP
View
2 more retailers have this diamond
Prices start from $15,477 AUDSave up to $3,505 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
1.70ct Radiant
$15,477 AUD