Round|Natural|GIA

0.65ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1555836496

Certificate GIA 1555836496

Diamond specifications and retailer prices

From $595 USD
₹56,705 INR
As of October 31, 2026
Save $1,912 USD (76%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,507 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.65ct natural round diamond

This 0.65ct natural round sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1555836496. Listed at 19 retailers as of October 30, 2026, with prices from $595 to $2,507, a $1,912 spread on the same certified stone. NZ Jewellers lists it at $2,507. 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

0.65
Carat
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1555836496
Dimensions5.50 × 5.54 × 3.44 mm
L/W Ratio1.01
Girdle conditionFaceted
Key to symbols
Cloud, Crystal, Feather
Top View
5.50 mm5.54 mm0.65 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1555836496
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.3%

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: $1,464 USD|Low: $594 USD|High: $1,482 USD|Avg: $920 USD|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 3$595 USD
Retailer 4$602 USD
Retailer 9$617 USD
Retailer 2$750 USD
Retailer 8$930 USD
Retailer 5$945 USD
Retailer 7$1,037 USD
Retailer 6$1,038 USD
Retailer 1$1,464 USD

28 data points across 9 retailers

19 retailers$595 USD to $2,507 USD

A
Cheapest Retailer
-
$595 USD
₹56,705 INR
A
Retailer 2
-
$602 USD
HK$4,700 HKD
View
A
Retailer 3
-
$617 USD
View
Final sale: no returns
A
Retailer 4
-
$735 USD
View
A
Retailer 5
-
$743 USD
A$1,144 AUD
View
A
Retailer 6
-
$750 USD
€714 EUR
View
Retailer 7
-
$799 USD
View
Price last confirmed 47 days ago
A
Retailer 8
-
$830 USD
SGD 1,121 SGD
View
A
Retailer 9
-
$830 USD
View
B+
Retailer 10
-
$930 USD
View
B+
Retailer 11
-
$945 USD
View
B+
Retailer 12
-
$945 USD
View
B+
Retailer 13
-
$1,037 USD
£817 GBP
View
B+
Retailer 14
-
$1,038 USD
€989 EUR
View
B+
Retailer 15
-
$1,065 USD
A$1,638 AUD
View
B+
Retailer 16
-
$1,091 USD
View
Retailer 17
-
$1,202 USD
A$1,849 AUD
View
Price last confirmed 27 days ago
B
Retailer 18
-
$1,464 USD
£1,153 GBP
View
Most Expensive
B
NZ Jewellers
29514028-55d3-4866-a0ed-5b5584f5bb84 · Oct 30
$2,507 USD
View
18 more retailers have this diamond
Prices start from $595 USDSave up to $1,912 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
0.65ct Round
$595 USD