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Round|Natural|GIA

1.80ct L SI2 Round Natural Diamond

EX • L/SI2 • GIA 2556637632

Certificate GIA 2556637632

Diamond specifications and retailer prices

From $3,476 USD
As of November 4, 2026
Save $3,406 USD (49%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,882 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.8ct natural round diamond

This 1.8ct natural round sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2556637632. Listed at 11 retailers as of November 4, 2026, with prices from $3,476 to $6,882, a $3,406 spread on the same certified stone. NZ Jewellers lists it at $6,882. 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

1.80
Carat
L
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2556637632
Dimensions7.70 × 7.76 × 4.81 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather, Indented Natural
Top View
7.70 mm7.76 mm1.80 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2556637632
Side View
Table 59.0%Crown 36°GirdlePavilion 40.8°Culet: NoneDepth 62.2%

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 4
Current: $6,882 USD|Low: $3,476 USD|High: $7,176 USD|Avg: $4,469 USD|-4.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 10$3,476 USD
Retailer 11$3,895 USD
Retailer 7$3,950 USD
Retailer 8$3,950 USD
Retailer 9$3,950 USD
Retailer 4$3,952 USD
Retailer 6$4,097 USD
Retailer 5$4,441 USD
Retailer 3$4,558 USD
Retailer 2$4,953 USD
NZ Jewellers$6,882 USD

28 data points across 11 retailers

11 retailers$3,476 USD to $6,882 USD

B+
Cheapest Retailer
-
$3,476 USD
B+
Retailer 2
-
$3,895 USD
View
B+
Retailer 3
-
$3,950 USD
View
Retailer 4
-
$3,950 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$3,950 USD
View
B+
Retailer 6
-
$3,952 USD
View
B+
Retailer 7
-
$4,097 USD
View
B
Retailer 8
-
$4,441 USD
View
B
Retailer 9
-
$4,558 USD
View
B
Retailer 10
-
$4,953 USD
View
Most Expensive
B
NZ Jewellers
3efc67b2-70d0-41e6-acb4-38293f932ad5 · Nov 5
$6,882 USD
View
10 more retailers have this diamond
Prices start from $3,476 USDSave up to $3,406 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.

B+
1.80ct Round
$3,476 USD