Round|Natural|GIA

3.17ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2556990053

Certificate GIA 2556990053

Diamond specifications and retailer prices

From $28,059 USD
SGD 37,918 SGD
As of November 3, 2026
Save $15,028 USD (35%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $43,087 USD at Diamonds Direct · As of November 3, 2026
View at Diamonds Direct

About this 3.17ct natural round diamond

This 3.17ct natural round sits in the three to five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2556990053. Listed at 10 retailers as of November 3, 2026, with prices from $28,059 to $43,087, a $15,028 spread on the same certified stone. Diamonds Direct lists it at $43,087. 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

3.17
Carat
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2556990053
Dimensions9.36 × 9.42 × 5.86 mm
L/W Ratio1.01
Culet sizeNone
Top View
9.36 mm9.42 mm3.17 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556990053
Side View
Table 57.0%Crown 34°Girdle: THN-STKPavilion 41.4°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
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: Nov 3
Current: $43,087 USD|Low: $28,059 USD|High: $44,852 USD|Avg: $34,127 USD|-3.9%
Diamonds Direct
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 5$28,059 USD
Retailer 4$29,586 USD
Retailer 9$29,891 USD
Retailer 10$30,625 USD
Retailer 7$31,486 USD
Retailer 2$31,770 USD
Retailer 3$34,062 USD
Retailer 8$35,780 USD
Retailer 11$35,990 USD
Retailer 6$37,113 USD
Diamonds Direct$43,087 USD

40 data points across 11 retailers

10 retailers$28,059 USD to $43,087 USD

A
Cheapest Retailer
-
$28,059 USD
SGD 37,918 SGD
A
Retailer 2
-
$29,586 USD
£23,296 GBP
View
A
Retailer 3
-
$29,891 USD
View
B+
Retailer 4
-
$30,625 USD
View
B+
Retailer 5
-
$31,486 USD
View
B+
Retailer 6
-
$31,770 USD
SGD 42,932 SGD
View
Retailer 7
-
$34,062 USD
View
Price last confirmed 12 days ago
B+
Retailer 8
-
$35,990 USD
View
B+
Retailer 9
-
$37,113 USD
View
Most Expensive
B
Diamonds Direct
1086398 · Nov 3
$43,087 USD
View
9 more retailers have this diamond
Prices start from $28,059 USDSave up to $15,028 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
3.17ct Round
$28,059 USD