Round|Natural|GIA

1.55ct E IF Round Natural Diamond

EX • E/IF • GIA 2231745485

Certificate GIA 2231745485

Diamond specifications and retailer prices

From $18,167 USD
CA$25,232 CAD
As of October 30, 2026
Save $11,908 USD (40%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $30,075 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.55ct natural round diamond

This 1.55ct natural round sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 2231745485. Listed at 15 retailers as of October 29, 2026, with prices from $18,167 to $30,075, a $11,908 spread on the same certified stone. MOH London lists it at $30,075. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2231745485
Dimensions7.39 × 7.36 × 4.53 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
7.39 mm7.36 mm1.55 ctE / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2231745485
Side View
Table 60.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.6%

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: Oct 30
Current: $30,075 USD|Low: $17,868 USD|High: $30,810 USD|Avg: $22,630 USD|-1.3%
MOH London
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
October 30, 2026
Retailer 2$18,167 USD
Retailer 4$18,355 USD
Retailer 8$19,772 USD
Retailer 10$20,043 USD
Retailer 12$20,198 USD
Retailer 6$21,150 USD
Retailer 11$21,150 USD
Retailer 7$21,564 USD
Retailer 15$21,850 USD
Retailer 3$22,068 USD
Retailer 13$22,365 USD
Retailer 14$22,529 USD
Retailer 9$23,241 USD
Retailer 5$27,135 USD
MOH London$30,075 USD

42 data points across 15 retailers

15 retailers$18,167 USD to $30,075 USD

A
Cheapest Retailer
-
$18,167 USD
CA$25,232 CAD
A
Retailer 2
-
$18,355 USD
View
Final sale: no returns
A
Retailer 3
-
$19,772 USD
£15,569 GBP
View
A
Retailer 4
-
$20,043 USD
View
A
Retailer 5
-
$20,198 USD
View
A
Retailer 6
-
$21,150 USD
View
A
Retailer 7
-
$21,150 USD
View
A
Retailer 8
-
$21,564 USD
SGD 29,140 SGD
View
A
Retailer 9
-
$21,850 USD
View
A
Retailer 10
-
$22,068 USD
£17,376 GBP
View
A
Retailer 11
-
$22,365 USD
View
A
Retailer 12
-
$22,529 USD
View
A
Retailer 13
-
$23,241 USD
€22,134 EUR
View
B+
Retailer 14
-
$27,135 USD
View
Most Expensive
B+
MOH London
6077EEE16 · Oct 29
$30,075 USD
£23,681 GBP
View
14 more retailers have this diamond
Prices start from $18,167 USDSave up to $11,908 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
1.55ct Round
$18,167 USD