Round|Natural|GIA

1.55ct G IF Round Natural Diamond

EX • G/IF • GIA 6512611153

Certificate GIA 6512611153

Diamond specifications and retailer prices

From $12,575 USD
As of October 29, 2026
Save $8,029 USD (39%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $20,604 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 G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6512611153. Listed at 14 retailers as of October 29, 2026, with prices from $12,575 to $20,604, a $8,029 spread on the same certified stone. MOH London lists it at $20,604. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
G
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6512611153
Dimensions7.42 × 7.37 × 4.53 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.42 mm7.37 mm1.55 ctG / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6512611153
Side View
Table 60.0%Crown 33.5°Girdle: Slightly ThickPavilion 41.4°Culet: NoneDepth 61.5%

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 29
Current: $20,604 USD|Low: $12,575 USD|High: $21,899 USD|Avg: $16,406 USD|-4.9%
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
October 29, 2026
Retailer 3$12,575 USD
Retailer 9$13,777 USD
Retailer 2$14,046 USD
Retailer 6$14,200 USD
Retailer 5$15,140 USD
Retailer 7$15,140 USD
Retailer 11$15,366 USD
Retailer 10$15,541 USD
Retailer 12$15,650 USD
Retailer 13$15,758 USD
Retailer 8$16,508 USD
Retailer 4$18,590 USD
MOH London$20,604 USD

40 data points across 13 retailers

14 retailers$12,575 USD to $20,604 USD

A
Cheapest Retailer
-
$12,575 USD
Final sale: no returns
A
Retailer 2
-
$13,093 USD
CA$18,185 CAD
View
A
Retailer 3
-
$13,777 USD
View
A
Retailer 4
-
$14,046 USD
£11,060 GBP
View
A
Retailer 5
-
$14,200 USD
View
A
Retailer 6
-
$15,140 USD
View
A
Retailer 7
-
$15,140 USD
View
B+
Retailer 8
-
$15,366 USD
View
B+
Retailer 9
-
$15,541 USD
View
B+
Retailer 10
-
$15,650 USD
View
B+
Retailer 11
-
$15,758 USD
£12,408 GBP
View
B+
Retailer 12
-
$16,508 USD
€15,722 EUR
View
B+
Retailer 13
-
$18,590 USD
View
Most Expensive
B+
MOH London
C7CA9168B · Oct 29
$20,604 USD
£16,224 GBP
View
13 more retailers have this diamond
Prices start from $12,575 USDSave up to $8,029 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
$12,575 USD