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1.04ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG818686444

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818686444

Diamond specifications and retailer prices

From $508 NZD
$286 USD
As of November 1, 2026
Save $986 NZD (66%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,494 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 1.04ct lab-grown round diamond

This 1.04ct 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 LG818686444 or 818686444. Listed at 10 retailers as of October 29, 2026, with prices from $508 to $1,494, a $986 spread on the same certified stone. MOH London lists it at $1,494. 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

1.04
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818686444
Dimensions6.44 × 6.41 × 4.03 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.44 mm6.41 mm1.04 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818686444
Side View
Table 58.0%Crown 35.1°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.6%

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 1
Current: $1,494 NZD|Low: $318 NZD|High: $1,503 NZD|Avg: $761 NZD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 6$318 NZD
Retailer 9$508 NZD
Retailer 4$546 NZD
Retailer 3$558 NZD
Retailer 7$588 NZD
Retailer 5$711 NZD
Retailer 8$755 NZD
Retailer 2$821 NZD
Retailer 10$1,120 NZD
MOH London$1,494 NZD

43 data points across 10 retailers

10 retailers$508 NZD to $1,494 NZD

Retailer 1
-
$318 NZD
$179 USD
Price last confirmed 8 days ago
A
Retailer 2
-
$508 NZD
$286 USD
View
A
Retailer 3
-
$546 NZD
£242 GBP
View
A
Retailer 4
-
$558 NZD
€299 EUR
View
B+
Retailer 5
-
$588 NZD
$331 USD
View
B+
Retailer 6
-
$711 NZD
$400 USD
View
B+
Retailer 7
-
$755 NZD
$425 USD
View
B
Retailer 8
-
$821 NZD
$462 USD
View
B
Retailer 9
-
$1,120 NZD
$630 USD
View
Most Expensive
B
MOH London
LG818686444 · Oct 29
$1,494 NZD
£662 GBP
View
9 more retailers have this diamond
Prices start from $508 NZDSave up to $986 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
1.04ct Round
$508 NZD