Round|Natural|GIA

1.39ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2556659975

Certificate GIA 2556659975

Diamond specifications and retailer prices

From $3,444 USD
A$5,299 AUD
As of October 31, 2026
Save $3,710 USD (52%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $7,154 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.39ct natural round diamond

This 1.39ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2556659975. Listed at 7 retailers as of October 30, 2026, with prices from $3,444 to $7,154, a $3,710 spread on the same certified stone. NZ Jewellers lists it at $7,154. 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

1.39
Carat
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2556659975
Dimensions7.17 × 7.12 × 4.36 mm
L/W Ratio1.01
Star length50%
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
7.17 mm7.12 mm1.39 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556659975
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.0%

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 31
Current: $7,154 USD|Low: $2,998 USD|High: $7,154 USD|Avg: $5,082 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 5$3,791 USD
Retailer 6$3,853 USD
Retailer 3$4,425 USD
Retailer 4$4,693 USD
Retailer 2$6,868 USD
NZ Jewellers$7,154 USD

27 data points across 6 retailers

7 retailers$3,444 USD to $7,154 USD

A
Cheapest Retailer
-
$3,444 USD
A$5,299 AUD
B+
Retailer 2
-
$3,791 USD
View
Final sale: no returns
A
Retailer 3
-
$3,853 USD
View
B+
Retailer 4
-
$4,425 USD
€4,214 EUR
View
B+
Retailer 5
-
$4,693 USD
£3,695 GBP
View
B
Retailer 6
-
$6,868 USD
£5,408 GBP
View
Most Expensive
B
NZ Jewellers
84f64bff-e359-44fa-8c15-3c9d0f9609fe · Oct 30
$7,154 USD
View
6 more retailers have this diamond
Prices start from $3,444 USDSave up to $3,710 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
1.39ct Round
$3,444 USD