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Round|Natural|GIA

1.55ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 3565648167

Certificate GIA 3565648167

Diamond specifications and retailer prices

From $6,811 USD
₹648,698 INR
As of October 30, 2026
Save $8,170 USD (55%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $14,981 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.55ct natural round diamond

This 1.55ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3565648167. Listed at 21 retailers as of October 30, 2026, with prices from $6,811 to $14,981, a $8,170 spread on the same certified stone. NZ Jewellers lists it at $14,981. 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

1.55
Carat
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 3565648167
Dimensions7.46 × 7.43 × 4.58 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Needle
Top View
7.46 mm7.43 mm1.55 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3565648167
Side View
Table 58.0%Crown 33.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $14,981 USD|Low: $6,810 USD|High: $15,299 USD|Avg: $9,034 USD|-2.1%
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
Retailer 20
Retailer 21
November 1, 2026
Retailer 4$6,811 USD
Retailer 18$6,904 USD
Retailer 8$6,932 USD
Retailer 12$7,169 USD
Retailer 19$7,659 USD
Retailer 16$7,834 USD
Retailer 15$8,140 USD
Retailer 21$8,205 USD
Retailer 7$8,268 USD
Retailer 17$8,470 USD
Retailer 13$8,475 USD
Retailer 14$8,618 USD
Retailer 20$8,874 USD
Retailer 11$8,957 USD
Retailer 9$9,095 USD
Retailer 2$9,147 USD
Retailer 5$9,153 USD
Retailer 6$9,956 USD
Retailer 3$10,225 USD
Retailer 10$12,550 USD
NZ Jewellers$14,981 USD

11 data points across 21 retailers

21 retailers$6,811 USD to $14,981 USD

B+
Cheapest Retailer
-
$6,811 USD
₹648,698 INR
B+
Retailer 2
-
$6,904 USD
A$10,622 AUD
View
B+
Retailer 3
-
$6,932 USD
View
B+
Retailer 4
-
$7,169 USD
View
Final sale: no returns
B+
Retailer 5
-
$7,659 USD
View
B+
Retailer 6
-
$7,834 USD
View
B+
Retailer 7
-
$8,140 USD
View
B+
Retailer 8
-
$8,205 USD
£6,460 GBP
View
B+
Retailer 9
-
$8,268 USD
View
B+
Retailer 10
-
$8,470 USD
View
B
Retailer 11
-
$8,475 USD
View
Retailer 12
-
$8,618 USD
A$13,259 AUD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$8,874 USD
View
B
Retailer 14
-
$8,957 USD
View
B+
Retailer 15
-
$9,095 USD
View
B+
Retailer 16
-
$9,147 USD
€8,711 EUR
View
B
Retailer 17
-
$9,153 USD
View
B
Retailer 18
-
$9,956 USD
£7,839 GBP
View
B
Retailer 19
-
$10,225 USD
View
B
Retailer 20
-
$12,550 USD
£9,882 GBP
View
Most Expensive
B
NZ Jewellers
8b723761-7652-4c38-a8f2-4e039014f914 · Oct 30
$14,981 USD
View
20 more retailers have this diamond
Prices start from $6,811 USDSave up to $8,170 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.

B+
1.55ct Round
$6,811 USD