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Radiant|Natural|GIA

1.70ct F SI2 Radiant Natural Diamond

EX • F/SI2 • GIA 6551511116

Certificate GIA 6551511116

Diamond specifications and retailer prices

From $7,251 USD
SGD 9,799 SGD
As of October 31, 2026
Save $827 USD (10%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $13,788 USD at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

About this 1.7ct natural radiant diamond

This 1.7ct natural radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551511116. Listed at 10 retailers as of October 31, 2026, with a relatively tight 11% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
F
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551511116
Dimensions8.21 × 6.13 × 4.14 mm
L/W Ratio1.34
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
8.21 mm6.13 mm1.70 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551511116
Side View
Table 65.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $7,251 USD|Low: $6,144 USD|High: $12,167 USD|Avg: $8,137 USD|+0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 13, 2026
Retailer 2$6,144 USD
Retailer 8$6,630 USD
Retailer 3$6,975 USD
Retailer 12$7,067 USD
Retailer 1$7,251 USD
Retailer 13$7,473 USD
Retailer 11$7,610 USD
Retailer 9$7,838 USD
Retailer 5$8,078 USD
Retailer 4$8,419 USD
Retailer 6$8,925 USD
Retailer 10$11,627 USD
Retailer 7$12,167 USD

19 data points across 13 retailers

10 retailers$7,251 USD to $8,078 USD

Retailer 1
-
$6,144 USD
HK$48,000 HKD
Price last confirmed 31 days ago
Retailer 2
-
$7,067 USD
SGD 9,550 SGD
View
Price last confirmed 30 days ago
A
Retailer 3
-
$7,251 USD
SGD 9,799 SGD
View
B+
Retailer 4
-
$8,078 USD
A$12,428 AUD
View
Retailer 5
-
$8,244 USD
View
Price last confirmed 32 days ago
Retailer 6
-
$8,371 USD
View
Price last confirmed 32 days ago
Retailer 7
-
$9,512 USD
View
Price last confirmed 34 days ago
Retailer 8
-
$11,627 USD
£9,155 GBP
View
Price last confirmed 32 days ago
Retailer 9
-
$12,167 USD
£9,580 GBP
View
Price last confirmed 30 days ago
Most Expensive
NZ Jewellers
5a224694-c765-4bb5-b3b2-78268a84c4e3 · Sep 30
$13,788 USD
View
Price last confirmed 33 days ago
9 more retailers have this diamond
Prices start from $7,251 USDSave up to $827 USD

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.

A
1.70ct Radiant
$7,251 USD