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Round|Lab Grown|IGI

1.03ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG854671217

Certificate IGI LG854671217

Diamond specifications and retailer prices

From $386 NZD
As of November 6, 2026
Save $782 NZD (67%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,168 NZD at Taylor and Hart · As of November 6, 2026
View at Taylor and Hart

About this 1.03ct lab-grown round diamond

This 1.03ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG854671217 or 854671217. Listed at 6 retailers as of November 6, 2026, with prices from $386 to $1,168, a $782 spread on the same certified stone. Taylor and Hart lists it at $1,168. 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

1.03
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG854671217
Dimensions6.53 × 6.55 × 3.90 mm
L/W Ratio1.00
Top View
6.53 mm6.55 mm1.03 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG854671217
Side View
Table 62.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 59.6%

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 6
Current: $505 NZD|Low: $386 NZD|High: $1,168 NZD|Avg: $668 NZD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Taylor and Hart
November 6, 2026
Retailer 2$386 NZD
Retailer 4$448 NZD
Retailer 1$505 NZD
Retailer 5$567 NZD
Retailer 3$930 NZD
Taylor and Hart$1,168 NZD

1 data point across 6 retailers

6 retailers$386 NZD to $1,168 NZD

A
Cheapest Retailer
-
$386 NZD
B+
Retailer 2
-
$448 NZD
View
Retailer 3
-
$505 NZD
View
B+
Retailer 4
-
$567 NZD
View
B
Retailer 5
-
$930 NZD
View
Most Expensive
B
Taylor and Hart
7JK8NON · Nov 6
$1,168 NZD
$656 USD
View
5 more retailers have this diamond
Prices start from $386 NZDSave up to $782 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
1.03ct Round
$386 NZD