Round|Natural|GIA

1.50ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6501288084

Certificate GIA 6501288084

Diamond specifications and retailer prices

From $9,079 USD
Save $7,342 USD (45%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $16,421 USD at NZ Jewellers
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6501288084. Listed at 21 retailers, with prices from $9,079 to $16,421 at NZ Jewellers, a $7,342 spread on the same certified stone. 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
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6501288084
Dimensions7.20 × 7.26 × 4.55 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.20 mm7.26 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6501288084
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.9%

Caratlytics Score

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

Price History

Last verified: Sep 30
Current: $16,421 USD|Low: $9,079 USD|High: $16,421 USD|Avg: $11,543 USD
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
October 1, 2026
Retailer 8$9,079 USD
Retailer 17$9,141 USD
Retailer 15$9,750 USD
Retailer 4$9,853 USD
Retailer 10$10,070 USD
Retailer 5$10,508 USD
Retailer 7$10,674 USD
Retailer 19$10,838 USD
Retailer 2$10,904 USD
Retailer 20$10,913 USD
Retailer 11$10,914 USD
Retailer 18$11,473 USD
Retailer 13$11,750 USD
Retailer 14$11,895 USD
Retailer 12$12,173 USD
Retailer 3$12,316 USD
Retailer 9$12,473 USD
Retailer 6$12,964 USD
Retailer 16$14,205 USD
Retailer 21$15,573 USD
NZ Jewellers$16,421 USD

7 data points across 21 retailers

21 retailers$9,079 USD to $16,421 USD

B+
Cheapest Retailer
-
$9,079 USD
B+
Retailer 2
-
$9,141 USD
View
B+
Retailer 3
-
$9,750 USD
View
B+
Retailer 4
-
$9,853 USD
View
B+
Retailer 5
-
$10,070 USD
CA$13,986 CAD
View
B+
Retailer 6
-
$10,508 USD
View
B+
Retailer 7
-
$10,674 USD
View
B+
Retailer 8
-
$10,838 USD
View
B+
Retailer 9
-
$10,904 USD
A$16,775 AUD
View
B+
Retailer 10
-
$10,914 USD
View
B+
Retailer 11
-
$10,937 USD
£8,612 GBP
View
B+
Retailer 12
-
$11,473 USD
£9,034 GBP
View
B+
Retailer 13
-
$11,750 USD
€11,190 EUR
View
B
Retailer 14
-
$12,173 USD
View
B
Retailer 15
-
$12,316 USD
View
B
Retailer 16
-
$12,473 USD
View
B
Retailer 17
-
$12,964 USD
View
B
Retailer 18
-
$13,876 USD
View
B
Retailer 19
-
$14,205 USD
ZAR 229,489 ZAR
View
B
Retailer 20
-
$15,573 USD
£12,262 GBP
View
Most Expensive
B
NZ Jewellers
c3afc46b-be52-468e-a84c-37f1cdb8a5c6 · Sep 27
$16,421 USD
View
20 more retailers have this diamond
Prices start from $9,079 USDSave up to $7,342 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.

B+
1.50ct Round
$9,079 USD