Radiant|Natural|GIA

1.51ct E SI2 Radiant Natural Diamond

EX • E/SI2 • GIA 7553782144

Certificate GIA 7553782144

Diamond specifications and retailer prices

From $6,024 USD
As of October 29, 2026
Save $6,984 USD (54%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $13,008 USD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7553782144. Listed at 12 retailers as of October 27, 2026, with prices from $6,024 to $13,008, a $6,984 spread on the same certified stone. NZ Jewellers lists it at $13,008. 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

1.51
Carat
E
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7553782144
Dimensions7.87 × 5.79 × 3.91 mm
L/W Ratio1.36
Culet sizeNone
Top View
7.87 mm5.79 mm1.51 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7553782144
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.6%

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 29
Current: $7,310 USD|Low: $5,641 USD|High: $10,970 USD|Avg: $7,415 USD|+0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 7$6,024 USD
Retailer 4$6,075 USD
Retailer 8$6,154 USD
Retailer 5$6,205 USD
Retailer 6$7,046 USD
Retailer 1$7,310 USD
Retailer 3$8,485 USD
Retailer 9$8,569 USD
Retailer 2$10,898 USD

39 data points across 9 retailers

12 retailers$6,024 USD to $13,008 USD

A
Cheapest Retailer
-
$6,024 USD
A
Retailer 2
-
$6,075 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$6,154 USD
View
A
Retailer 4
-
$6,205 USD
View
Final sale: no returns
A
Retailer 5
-
$7,046 USD
View
B+
Retailer 6
-
$7,155 USD
View
A
Retailer 7
-
$7,310 USD
£5,756 GBP
View
B+
Retailer 8
-
$8,130 USD
View
B+
Retailer 9
-
$8,485 USD
€8,081 EUR
View
B+
Retailer 10
-
$8,569 USD
View
B
Retailer 11
-
$10,898 USD
£8,581 GBP
View
Most Expensive
B
NZ Jewellers
752f2cac-bf62-4ca8-9f2d-ec576c432cea · Oct 27
$13,008 USD
View
11 more retailers have this diamond
Prices start from $6,024 USDSave up to $6,984 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
1.51ct Radiant
$6,024 USD