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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 $15,187 CAD
A$16,726 AUD
As of October 30, 2026
Save $3,594 CAD (19%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $18,781 CAD at 77 Diamonds · As of October 30, 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 October 30, 2026, with prices from $15,187 to $18,781, a $3,594 spread on the same certified stone. 77 Diamonds lists it at $18,781. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $18,781 CAD|Low: $10,618 CAD|High: $18,904 CAD|Avg: $13,954 CAD|+1.8%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 3$10,618 CAD
Retailer 8$12,033 CAD
Retailer 6$12,740 CAD
Retailer 7$13,258 CAD
Retailer 9$13,913 CAD
Retailer 4$14,232 CAD
Retailer 5$14,735 CAD
Retailer 2$15,330 CAD
77 Diamonds$18,781 CAD

36 data points across 9 retailers

3 retailers$15,187 CAD to $18,781 CAD

B
Cheapest Retailer
-
$15,187 CAD
A$16,726 AUD
B
Retailer 2
-
$15,330 CAD
View
Most Expensive
B
77 Diamonds
RADMBVAM2Y3CV · Oct 30
$18,781 CAD
£10,587 GBP
View
2 more retailers have this diamond
Prices start from $15,187 CADSave up to $3,594 CAD

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
$15,187 CAD