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Round|Lab Grown|IGI

1.54ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG696550358

Shape and cutting style on the report: Round brilliant

Certificate IGI LG696550358

Diamond specifications and retailer prices

From $658 NZD
As of November 6, 2026
Save $622 NZD (49%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $2,305 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 1.54ct lab-grown round diamond

This 1.54ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG696550358 or 696550358. Listed at 5 retailers as of November 4, 2026, with a 95% 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

1.54
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG696550358
Dimensions7.41 × 7.37 × 4.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.41 mm7.37 mm1.54 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG696550358
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.8%

Caratlytics Score

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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: $2,305 NZD|Low: $658 NZD|High: $7,221 NZD|Avg: $1,998 NZD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$658 NZD
Retailer 4$877 NZD
Retailer 6$1,052 NZD
Retailer 2$1,108 NZD
Retailer 7$1,250 NZD
Retailer 3$1,281 NZD
MOH London$2,305 NZD
Retailer 8$7,221 NZD

20 data points across 8 retailers

5 retailers$658 NZD to $1,281 NZD

A
Cheapest Retailer
-
$658 NZD
A
Retailer 2
-
$877 NZD
View
B+
Retailer 3
-
$1,108 NZD
View
B+
Retailer 4
-
$1,281 NZD
View
Most Expensive
MOH London
LG696550358 · Oct 29
$2,305 NZD
£1,006 GBP
View
Price last confirmed 8 days ago
4 more retailers have this diamond
Prices start from $658 NZDSave up to $622 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
1.54ct Round
$658 NZD