Round|Natural|GIA

1.70ct D FL Round Natural Diamond

EX • D/FL • GIA 2557496221

Certificate GIA 2557496221

Diamond specifications and retailer prices

From $20,762 USD
HK$162,200 HKD
As of October 30, 2026
Save $21,948 USD (51%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $42,710 USD at With Clarity · As of October 30, 2026
View at With Clarity

About this 1.7ct natural round diamond

This 1.7ct natural round sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 2557496221. Listed at 10 retailers as of October 30, 2026, with prices from $20,762 to $42,710, a $21,948 spread on the same certified stone. With Clarity lists it at $42,710. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2557496221
Dimensions7.59 × 7.64 × 4.76 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.59 mm7.64 mm1.70 ctD / FL
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557496221
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $37,955 USD|Low: $20,762 USD|High: $38,412 USD|Avg: $27,425 USD|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 8$20,762 USD
Retailer 5$23,535 USD
Retailer 2$23,991 USD
Retailer 4$25,341 USD
Retailer 6$25,797 USD
Retailer 9$28,025 USD
Retailer 7$28,703 USD
Retailer 3$29,357 USD
Retailer 1$37,955 USD

42 data points across 9 retailers

10 retailers$20,762 USD to $42,710 USD

A
Cheapest Retailer
-
$20,762 USD
HK$162,200 HKD
Retailer 2
-
$23,535 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$23,991 USD
£18,890 GBP
View
A
Retailer 4
-
$25,341 USD
View
A
Retailer 5
-
$25,797 USD
SGD 34,861 SGD
View
B+
Retailer 6
-
$28,025 USD
View
B+
Retailer 7
-
$28,703 USD
View
B+
Retailer 8
-
$29,357 USD
€27,959 EUR
View
B+
Retailer 9
-
$37,955 USD
£29,886 GBP
View
Most Expensive
B
With Clarity
2557496221 · Oct 30
$42,710 USD
View
9 more retailers have this diamond
Prices start from $20,762 USDSave up to $21,948 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 Round
$20,762 USD