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Radiant|Natural|GIA

1.70ct D SI1 Radiant Natural Diamond

EX • D/SI1 • GIA 6372798435

Certificate GIA 6372798435

Diamond specifications and retailer prices

From $13,620 SGD
$10,654 USD
As of October 31, 2026
Save $3,983 SGD (23%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $17,603 SGD 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 6372798435. Listed at 4 retailers as of October 31, 2026, with prices from $13,620 to $17,603, a $3,983 spread on the same certified stone. 77 Diamonds lists it at $17,603. 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 6372798435
Dimensions7.36 × 6.03 × 4.26 mm
L/W Ratio1.22
Top View
7.36 mm6.03 mm1.70 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6372798435
Side View
Table 72.0%CrownGirdle: Very ThickPavilionCuletDepth 70.6%

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 31
Current: $17,603 SGD|Low: $13,442 SGD|High: $17,839 SGD|Avg: $15,635 SGD|+1.0%
77 Diamonds
Retailer 2
November 1, 2026
Retailer 2$13,620 SGD
77 Diamonds$17,603 SGD

31 data points across 2 retailers

4 retailers$13,620 SGD to $17,603 SGD

B+
Cheapest Retailer
-
$13,620 SGD
$10,654 USD
B+
Retailer 2
-
$14,500 SGD
A$17,450 AUD
View
B+
Retailer 3
-
$14,729 SGD
$11,521 USD
View
Most Expensive
B
77 Diamonds
RADZCTVMVH7E · Nov 1
$17,603 SGD
£10,842 GBP
View
3 more retailers have this diamond
Prices start from $13,620 SGDSave up to $3,983 SGD

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
$13,620 SGD