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Radiant|Natural|GIA

1.51ct F SI1 Radiant Natural Diamond

ID • F/SI1 • GIA 1548084766

Certificate GIA 1548084766

Diamond specifications and retailer prices

From $7,701 USD
A$11,848 AUD
As of November 2, 2026
8 retailers carry this diamond
Most expensive: $14,042 USD at NZ Jewellers · As of September 28, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1548084766. Listed at 8 retailers as of November 2, 2026. 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
F
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.68°
Pavilion angle31.12°
OriginNatural
Grading LabGIA
CertificateGIA 1548084766
Dimensions7.57 × 5.83 × 3.77 mm
L/W Ratio1.30
Girdle conditionThick
Key to symbols
Crystal, Feather, Cloud, Needle, Indented Natural
Top View
7.57 mm5.83 mm1.51 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1548084766
Side View
Table 71.0%Crown 44.68°Girdle: STK-THKPavilion 31.12°Culet: NoneDepth 64.7%

Caratlytics Score

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

Price History

Last verified: Nov 2
Current: $8,043 USD|Low: $5,545 USD|High: $11,841 USD|Avg: $7,868 USD|+0.9%
Retailer 1
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
September 29, 2026
Retailer 20$5,545 USD
Retailer 17$6,435 USD
Retailer 5$6,512 USD
Retailer 6$6,634 USD
Retailer 7$6,737 USD
Retailer 4$7,020 USD
Retailer 18$7,021 USD
Retailer 8$7,477 USD
Retailer 3$7,697 USD
Retailer 21$7,701 USD
Retailer 14$7,878 USD
Retailer 16$7,986 USD
Retailer 1$8,043 USD
Retailer 11$8,390 USD
Retailer 13$8,390 USD
Retailer 10$8,455 USD
Retailer 2$8,478 USD
Retailer 15$8,516 USD
Retailer 9$8,670 USD
Retailer 19$10,099 USD
Retailer 12$11,841 USD

9 data points across 21 retailers

8 retailers

Retailer 1
-
$7,606 USD
Price last confirmed 34 days ago
Retailer 2
-
$7,697 USD
View
Price last confirmed 37 days ago
B+
Retailer 3
-
$7,701 USD
A$11,848 AUD
View
Retailer 4
-
$8,043 USD
A$12,374 AUD
View
Price last confirmed 34 days ago
Retailer 5
-
$8,776 USD
View
Price last confirmed 56 days ago
Retailer 6
-
$8,776 USD
View
Price last confirmed 34 days ago
Retailer 7
-
$10,099 USD
ZAR 163,145 ZAR
View
Price last confirmed 38 days ago
Most Expensive
NZ Jewellers
77a63c8c-2218-45d6-84cc-140222f6161f · Sep 28
$14,042 USD
View
Price last confirmed 35 days ago
7 more retailers have this diamond
Prices start from $7,701 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+
1.51ct Radiant
$7,701 USD