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Radiant|Natural|GIA

1.50ct F SI2 Radiant Natural Diamond

EX • F/SI2 • GIA 6461911079

Certificate GIA 6461911079

Diamond specifications and retailer prices

From $13,993 NZD
$7,873 USD
As of November 2, 2026
Save $6,343 NZD (31%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $20,336 NZD at Riddles Jewelry · As of November 2, 2026
View at Riddles Jewelry

About this 1.5ct natural radiant diamond

This 1.5ct natural radiant sits in the one-and-a-half to two carat band, graded F 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 6461911079. Listed at 12 retailers as of November 2, 2026, with prices from $13,993 to $20,336, a $6,343 spread on the same certified stone. Riddles Jewelry lists it at $20,336. 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

1.50
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6461911079
Dimensions7.36 × 5.74 × 3.95 mm
L/W Ratio1.28
Top View
7.36 mm5.74 mm1.50 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6461911079
Side View
Table 67.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.8%

Caratlytics Score

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

Price History

Last verified: Nov 2
Current: $19,072 NZD|Low: $13,827 NZD|High: $19,072 NZD|Avg: $16,495 NZD|+3.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 5$13,993 NZD
Retailer 4$15,285 NZD
Retailer 3$15,346 NZD
Retailer 2$18,617 NZD
Retailer 1$19,072 NZD

43 data points across 5 retailers

12 retailers$13,993 NZD to $20,336 NZD

B+
Cheapest Retailer
-
$13,993 NZD
$7,873 USD
B+
Retailer 2
-
$14,695 NZD
$8,268 USD
View
B+
Retailer 3
-
$14,884 NZD
A$12,884 AUD
View
B+
Retailer 4
-
$15,285 NZD
$8,600 USD
View
Final sale: no returns
B
Retailer 5
-
$15,346 NZD
$8,634 USD
View
B
Retailer 6
-
$15,405 NZD
CA$12,039 CAD
View
B
Retailer 7
-
$17,682 NZD
$9,949 USD
View
B
Retailer 8
-
$18,313 NZD
$10,304 USD
View
B
Retailer 9
-
$18,617 NZD
£8,248 GBP
View
B
Retailer 10
-
$19,072 NZD
€10,220 EUR
View
B
Retailer 11
-
$19,312 NZD
$10,866 USD
View
Most Expensive
B
Riddles Jewelry
1769434098 · Nov 2
$20,336 NZD
$11,442 USD
View
11 more retailers have this diamond
Prices start from $13,993 NZDSave up to $6,343 NZD

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+
1.50ct Radiant
$13,993 NZD