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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 $15,674 SGD
$12,261 USD
As of October 31, 2026
Save $4,831 SGD (24%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $20,506 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 6214230586. Listed at 7 retailers as of October 31, 2026, with prices from $15,674 to $20,506, a $4,831 spread on the same certified stone. 77 Diamonds lists it at $20,506. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $20,506 SGD|Low: $15,495 SGD|High: $20,781 SGD|Avg: $17,867 SGD|+1.0%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 4$15,674 SGD
Retailer 5$16,996 SGD
Retailer 2$17,356 SGD
Retailer 3$19,221 SGD
77 Diamonds$20,506 SGD

35 data points across 5 retailers

7 retailers$15,674 SGD to $20,506 SGD

B+
Cheapest Retailer
-
$15,674 SGD
$12,261 USD
B+
Retailer 2
-
$16,495 SGD
$12,903 USD
View
B
Retailer 3
-
$16,903 SGD
A$20,341 AUD
View
B
Retailer 4
-
$16,996 SGD
CA$18,465 CAD
View
B
Retailer 5
-
$17,356 SGD
$13,576 USD
View
Final sale: no returns
B
Retailer 6
-
$19,221 SGD
$15,035 USD
View
Most Expensive
B
77 Diamonds
RADMBXQUU5ZTS · Nov 1
$20,506 SGD
£12,630 GBP
View
6 more retailers have this diamond
Prices start from $15,674 SGDSave up to $4,831 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
$15,674 SGD