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Round|Lab Grown|IGI

1.30ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG644481659

Certificate IGI LG644481659

Diamond specifications and retailer prices

From $1,108 NZD
As of November 6, 2026
Save $444 NZD (29%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,551 NZD at Zales · As of November 6, 2026
View at Zales

About this 1.3ct lab-grown round diamond

This 1.3ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG644481659 or 644481659. Listed at 3 retailers as of November 6, 2026, with prices from $1,108 to $1,551, a $444 spread on the same certified stone. Zales lists it at $1,551. 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

1.30
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG644481659
Dimensions6.97 × 6.99 mm
L/W Ratio1.00
Top View
6.97 mm6.99 mm1.30 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644481659
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.1%

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 6
Current: $1,108 NZD|Low: $1,108 NZD|High: $2,616 NZD|Avg: $1,930 NZD|-57.7%
Retailer 1
Retailer 2
Zales
November 6, 2026
Retailer 1$1,108 NZD
Retailer 2$1,551 NZD
Zales$1,551 NZD

10 data points across 3 retailers

3 retailers$1,108 NZD to $1,551 NZD

B+
Cheapest Retailer
-
$1,108 NZD
B
Retailer 2
-
$1,551 NZD
View
Most Expensive
B
Zales
521383532 · Nov 6
$1,551 NZD
$860 USD
View
2 more retailers have this diamond
Prices start from $1,108 NZDSave up to $444 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.

B+
1.30ct Round
$1,108 NZD