CaratHunter
Plans
Round|Natural|GIA

1.50ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 5553557315

Certificate GIA 5553557315

Diamond specifications and retailer prices

From $9,516 NZD
SGD 7,248 SGD
As of October 31, 2026
Save $10,708 NZD (53%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $20,225 NZD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5553557315. Listed at 16 retailers as of October 26, 2026, with prices from $9,516 to $20,225, a $10,708 spread on the same certified stone. Wholesale Diamonds Direct lists it at $20,225. 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5553557315
Dimensions7.23 × 7.28 × 4.55 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.23 mm7.28 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553557315
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.7%

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 31
Current: $12,089 NZD|Low: $9,516 NZD|High: $20,225 NZD|Avg: $12,818 NZD|-6.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Wholesale Diamonds Direct
November 1, 2026
Retailer 4$9,516 NZD
Retailer 9$9,624 NZD
Retailer 11$9,905 NZD
Retailer 6$10,068 NZD
Retailer 8$10,193 NZD
Retailer 7$10,298 NZD
Retailer 5$10,785 NZD
Retailer 12$12,017 NZD
Retailer 2$12,072 NZD
Retailer 1$12,089 NZD
Retailer 3$15,623 NZD
Retailer 10$16,398 NZD
Wholesale Diamonds Direct$17,697 NZD

35 data points across 13 retailers

16 retailers$9,516 NZD to $20,225 NZD

A
Cheapest Retailer
-
$9,516 NZD
SGD 7,248 SGD
A
Retailer 2
-
$9,624 NZD
$5,424 USD
View
A
Retailer 3
-
$9,905 NZD
SGD 7,544 SGD
View
A
Retailer 4
-
$10,068 NZD
$5,675 USD
View
A
Retailer 5
-
$10,193 NZD
$5,745 USD
View
A
Retailer 6
-
$10,298 NZD
$5,804 USD
View
A
Retailer 7
-
$10,785 NZD
£4,786 GBP
View
A
Retailer 8
-
$12,017 NZD
$6,773 USD
View
A
Retailer 9
-
$12,072 NZD
$6,804 USD
View
A
Retailer 10
-
$12,089 NZD
€6,489 EUR
View
B+
Retailer 11
-
$13,708 NZD
$7,726 USD
View
B+
Retailer 12
-
$15,623 NZD
$8,805 USD
View
B+
Retailer 13
-
$16,398 NZD
$9,242 USD
View
B+
Retailer 14
-
$17,697 NZD
$9,974 USD
View
B
Retailer 15
-
$18,506 NZD
$10,430 USD
View
Most Expensive
B
Wholesale Diamonds Direct
550937395 · Oct 26
$20,225 NZD
$11,399 USD
View
15 more retailers have this diamond
Prices start from $9,516 NZDSave up to $10,708 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.

A
1.50ct Round
$9,516 NZD