Round|Natural|GIA

1.40ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6542395259

Certificate GIA 6542395259

Diamond specifications and retailer prices

From $4,054 USD
As of October 30, 2026
Save $4,528 USD (53%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $8,582 USD at NZ Jewellers · As of September 26, 2026
View at NZ Jewellers

About this 1.4ct natural round diamond

This 1.4ct 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 6542395259. Listed at 20 retailers as of October 30, 2026, with a 112% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.40
Carat
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6542395259
Dimensions7.13 × 7.06 × 4.43 mm
L/W Ratio1.01
Star length55%
Top View
7.13 mm7.06 mm1.40 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542395259
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.5%

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: $8,582 USD|Low: $3,576 USD|High: $8,582 USD|Avg: $5,423 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 6$3,576 USD
Retailer 7$4,054 USD
Retailer 9$4,134 USD
Retailer 11$4,615 USD
Retailer 15$4,649 USD
Retailer 18$4,649 USD
Retailer 19$4,649 USD
Retailer 3$4,664 USD
Retailer 2$4,801 USD
Retailer 4$4,880 USD
Retailer 13$5,090 USD
Retailer 17$5,364 USD
Retailer 5$5,423 USD
Retailer 14$5,539 USD
Retailer 8$5,665 USD
Retailer 10$6,106 USD
Retailer 16$7,503 USD
Retailer 12$8,172 USD
NZ Jewellers$8,582 USD

25 data points across 19 retailers

20 retailers$4,054 USD to $8,582 USD

A
Cheapest Retailer
-
$4,054 USD
B+
Retailer 2
-
$4,134 USD
View
B+
Retailer 3
-
$4,615 USD
View
B+
Retailer 4
-
$4,649 USD
View
B+
Retailer 5
-
$4,649 USD
View
Retailer 6
-
$4,649 USD
View
Price last confirmed 33 days ago
B+
Retailer 7
-
$4,649 USD
View
B+
Retailer 8
-
$4,664 USD
CA$6,478 CAD
View
B+
Retailer 9
-
$4,801 USD
£3,780 GBP
View
B+
Retailer 10
-
$4,880 USD
View
B+
Retailer 11
-
$5,090 USD
£4,008 GBP
View
B
Retailer 12
-
$5,364 USD
View
Retailer 13
-
$5,364 USD
View
Price last confirmed 33 days ago
B
Retailer 14
-
$5,423 USD
View
B+
Retailer 15
-
$5,539 USD
€5,275 EUR
View
Retailer 16
-
$5,665 USD
View
Price last confirmed 9 days ago
B
Retailer 17
-
$7,503 USD
View
B
Retailer 18
-
$8,172 USD
£6,435 GBP
View
B
Retailer 19
-
$8,582 USD
View
Most Expensive
NZ Jewellers
f311edec-5054-471e-baa9-671543020add · Sep 26
$8,582 USD
View
Price last confirmed 35 days ago
19 more retailers have this diamond
Prices start from $4,054 USDSave up to $4,528 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
1.40ct Round
$4,054 USD