Round|Natural|GIA

1.50ct E IF Round Natural Diamond

EX • E/IF • GIA 2151096123

Certificate GIA 2151096123

Diamond specifications and retailer prices

From $20,865 USD
As of October 25, 2026
Save $24,836 USD (54%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $45,701 USD at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 1.5ct natural round diamond

This 1.5ct 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 2151096123. Listed at 12 retailers as of October 25, 2026, with prices from $20,865 to $45,701, a $24,836 spread on the same certified stone. Diamond Quarter lists it at $45,701. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2151096123
Dimensions7.42 × 7.34 × 4.54 mm
L/W Ratio1.01
Top View
7.42 mm7.34 mm1.50 ctE / IF
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2151096123
Side View
Table 57.0%CrownGirdle: MediumPavilionCulet: NoneDepth 61.9%

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 25
Current: $23,995 USD|Low: $20,570 USD|High: $37,606 USD|Avg: $25,760 USD|-0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 4$20,865 USD
Retailer 5$20,937 USD
Retailer 1$23,995 USD
Retailer 6$24,344 USD
Retailer 8$25,430 USD
Retailer 9$25,430 USD
Retailer 7$26,280 USD
Retailer 3$27,831 USD
Retailer 2$37,357 USD

39 data points across 9 retailers

12 retailers$20,865 USD to $45,701 USD

A
Cheapest Retailer
-
$20,865 USD
A
Retailer 2
-
$20,937 USD
€19,940 EUR
View
B+
Retailer 3
-
$22,386 USD
CA$31,091 CAD
View
B+
Retailer 4
-
$23,995 USD
£18,894 GBP
View
Retailer 5
-
$24,344 USD
A$37,452 AUD
View
Price last confirmed 28 days ago
B+
Retailer 6
-
$25,430 USD
View
B+
Retailer 7
-
$25,430 USD
View
B+
Retailer 8
-
$26,280 USD
View
B+
Retailer 9
-
$26,645 USD
View
B+
Retailer 10
-
$27,831 USD
€26,506 EUR
View
B
Retailer 11
-
$37,357 USD
£29,415 GBP
View
Most Expensive
B
Diamond Quarter
1.5IFE212387C3N · Oct 29
$45,701 USD
£35,985 GBP
View
11 more retailers have this diamond
Prices start from $20,865 USDSave up to $24,836 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
1.50ct Round
$20,865 USD