Radiant|Natural|GIA

1.50ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 7561377793

Certificate GIA 7561377793

Diamond specifications and retailer prices

From $9,039 AUD
$6,335 USD
As of November 1, 2026
Save $11,114 AUD (55%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $20,154 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural radiant diamond

This 1.5ct natural radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7561377793. Listed at 25 retailers as of October 30, 2026, with prices from $9,039 to $20,154, a $11,114 spread on the same certified stone. NZ Jewellers lists it at $20,154. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7561377793
Dimensions8.24 × 5.56 × 3.75 mm
L/W Ratio1.48
Culet sizeNone
Top View
8.24 mm5.56 mm1.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7561377793
Side View
Table 63.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.6%

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 1
Current: $20,154 AUD|Low: $8,811 AUD|High: $20,154 AUD|Avg: $11,874 AUD
NZ Jewellers
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
Retailer 22
Retailer 23
Retailer 24
November 2, 2026
Retailer 23$9,039 AUD
Retailer 7$9,520 AUD
Retailer 20$9,574 AUD
Retailer 15$9,671 AUD
Retailer 4$10,074 AUD
Retailer 6$10,077 AUD
Retailer 9$10,077 AUD
Retailer 8$10,161 AUD
Retailer 10$10,917 AUD
Retailer 24$11,084 AUD
Retailer 14$11,278 AUD
Retailer 13$11,377 AUD
Retailer 22$11,559 AUD
Retailer 3$12,029 AUD
Retailer 12$12,029 AUD
Retailer 16$12,128 AUD
Retailer 21$12,171 AUD
Retailer 11$12,428 AUD
Retailer 5$12,597 AUD
Retailer 2$13,164 AUD
Retailer 17$13,273 AUD
Retailer 19$14,804 AUD
Retailer 18$16,793 AUD
NZ Jewellers$20,154 AUD

32 data points across 24 retailers

25 retailers$9,039 AUD to $20,154 AUD

B+
Cheapest Retailer
-
$9,039 AUD
$6,335 USD
B+
Retailer 2
-
$9,380 AUD
View
B+
Retailer 3
-
$9,520 AUD
$6,672 USD
View
B+
Retailer 4
-
$9,574 AUD
$6,710 USD
View
Retailer 5
-
$9,671 AUD
$6,778 USD
View
Price last confirmed 9 days ago
B+
Retailer 6
-
$10,074 AUD
$7,060 USD
View
B+
Retailer 7
-
$10,077 AUD
$7,062 USD
View
B+
Retailer 8
-
$10,077 AUD
$7,062 USD
View
Final sale: no returns
B+
Retailer 9
-
$10,161 AUD
$7,121 USD
View
B+
Retailer 10
-
$10,917 AUD
$7,651 USD
View
B+
Retailer 11
-
$11,084 AUD
$7,768 USD
View
Retailer 12
-
$11,278 AUD
$7,904 USD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$11,377 AUD
£6,278 GBP
View
Retailer 14
-
$11,559 AUD
View
Price last confirmed 11 days ago
B
Retailer 15
-
$11,946 AUD
$8,372 USD
View
Retailer 16
-
$12,029 AUD
$8,430 USD
View
Price last confirmed 7 days ago
Retailer 17
-
$12,029 AUD
$8,430 USD
View
Price last confirmed 7 days ago
B
Retailer 18
-
$12,128 AUD
$8,499 USD
View
Retailer 19
-
$12,171 AUD
$8,530 USD
View
Price last confirmed 10 days ago
Retailer 20
-
$12,428 AUD
$8,710 USD
View
Price last confirmed 7 days ago
B
Retailer 21
-
$12,597 AUD
$8,828 USD
View
B
Retailer 22
-
$13,164 AUD
€8,786 EUR
View
B
Retailer 23
-
$14,804 AUD
ZAR 167,604 ZAR
View
B
Retailer 24
-
$16,793 AUD
£9,267 GBP
View
Most Expensive
B
NZ Jewellers
3c94a0b6-9543-4e28-9d85-0422d4e1fae3 · Oct 30
$20,154 AUD
$14,124 USD
View
24 more retailers have this diamond
Prices start from $9,039 AUDSave up to $11,114 AUD

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
$9,039 AUD