Round|Natural|GIA

1.50ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 7552189629

Certificate GIA 7552189629

Diamond specifications and retailer prices

From $2,944 USD
HK$23,000 HKD
As of November 1, 2026
Save $4,003 USD (58%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $6,947 USD at NZ Jewellers · As of October 30, 2026
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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7552189629. Listed at 7 retailers as of October 30, 2026, with prices from $2,944 to $6,947, a $4,003 spread on the same certified stone. NZ Jewellers lists it at $6,947. 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
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7552189629
Dimensions7.22 × 7.28 × 4.55 mm
L/W Ratio1.01
Key to symbols
Twinning Wisp, Crystal, Cloud, Feather
Top View
7.22 mm7.28 mm1.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7552189629
Side View
Table 58.0%CrownGirdle: MED-STKPavilion 40.8°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: Nov 1
Current: $6,947 USD|Low: $2,918 USD|High: $7,522 USD|Avg: $4,788 USD|-7.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 4$2,944 USD
Retailer 7$3,716 USD
Retailer 5$3,987 USD
Retailer 6$3,987 USD
Retailer 8$4,084 USD
Retailer 2$4,540 USD
Retailer 3$6,669 USD
NZ Jewellers$6,947 USD

33 data points across 8 retailers

7 retailers$2,944 USD to $6,947 USD

A
Cheapest Retailer
-
$2,944 USD
HK$23,000 HKD
A
Retailer 2
-
$3,716 USD
SGD 5,022 SGD
View
A
Retailer 3
-
$3,987 USD
View
A
Retailer 4
-
$3,987 USD
View
A
Retailer 5
-
$4,540 USD
€4,324 EUR
View
B+
Retailer 6
-
$6,669 USD
£5,251 GBP
View
Most Expensive
B+
NZ Jewellers
5d9004a8-c7d2-4cb0-b7bf-64990bd48765 · Oct 30
$6,947 USD
View
6 more retailers have this diamond
Prices start from $2,944 USDSave up to $4,003 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.

A
1.50ct Round
$2,944 USD