Round|Natural|GIA

1.50ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6552615208

Certificate GIA 6552615208

Diamond specifications and retailer prices

From $3,020 USD
As of November 6, 2026
Save $3,813 USD (56%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,120 USD at NZ Jewellers · As of September 26, 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552615208. Listed at 16 retailers as of November 2, 2026, with a 126% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
K
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6552615208
Dimensions7.31 × 7.34 × 4.55 mm
L/W Ratio1.00
Girdle conditionFaceted
Key to symbols
Twinning Wisp, Feather, Cloud, Indented Natural
Top View
7.31 mm7.34 mm1.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552615208
Side View
Table 56.0%Crown 36°Girdle: THN-MEDPavilion 40.6°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $7,120 USD|Low: $2,995 USD|High: $7,120 USD|Avg: $4,536 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
November 6, 2026
Retailer 13$3,020 USD
Retailer 14$3,375 USD
Retailer 15$3,665 USD
Retailer 7$3,740 USD
Retailer 10$3,794 USD
Retailer 8$3,805 USD
Retailer 11$3,863 USD
Retailer 3$4,087 USD
Retailer 6$4,087 USD
Retailer 5$4,333 USD
Retailer 9$4,589 USD
Retailer 4$4,715 USD
Retailer 2$5,394 USD
Retailer 12$6,833 USD
NZ Jewellers$7,120 USD

43 data points across 15 retailers

16 retailers$3,020 USD to $6,833 USD

A
Cheapest Retailer
-
$3,020 USD
A
Retailer 2
-
$3,375 USD
View
B+
Retailer 3
-
$3,596 USD
View
B+
Retailer 4
-
$3,665 USD
View
B+
Retailer 5
-
$3,740 USD
View
A
Retailer 6
-
$3,794 USD
View
B+
Retailer 7
-
$3,805 USD
View
B+
Retailer 8
-
$3,863 USD
View
Retailer 9
-
$4,087 USD
View
Price last confirmed 25 days ago
Retailer 10
-
$4,087 USD
View
Price last confirmed 38 days ago
B+
Retailer 11
-
$4,333 USD
View
B+
Retailer 12
-
$4,589 USD
View
Retailer 13
-
$4,715 USD
View
Price last confirmed 28 days ago
B
Retailer 14
-
$5,394 USD
View
B
Retailer 15
-
$6,833 USD
View
Most Expensive
NZ Jewellers
891b9216-6d5f-4369-b58f-a177430a820d · Sep 26
$7,120 USD
View
Price last confirmed 40 days ago
15 more retailers have this diamond
Prices start from $3,020 USDSave up to $3,813 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
$3,020 USD