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Round|Lab Grown|IGI

1.59ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG697509689

Shape and cutting style on the report: Round brilliant

Certificate IGI LG697509689

Diamond specifications and retailer prices

From $267 AUD
$187 USD
As of November 1, 2026
Save $1,283 AUD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,549 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 1.59ct lab-grown round diamond

This 1.59ct 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 LG697509689 or 697509689. Listed at 14 retailers as of November 1, 2026, with prices from $267 to $1,549, a $1,283 spread on the same certified stone. MOH London lists it at $1,549. 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

1.59
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG697509689
Dimensions7.53 × 7.56 × 4.55 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.53 mm7.56 mm1.59 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG697509689
Side View
Table 59.0%Crown 34.1°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.3%

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: $1,549 AUD|Low: $267 AUD|High: $2,012 AUD|Avg: $849 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 3, 2026
Retailer 12$267 AUD
Retailer 11$310 AUD
Retailer 6$331 AUD
Retailer 16$384 AUD
Retailer 13$563 AUD
Retailer 3$582 AUD
Retailer 2$599 AUD
Retailer 9$608 AUD
Retailer 15$655 AUD
Retailer 14$705 AUD
Retailer 5$1,064 AUD
Retailer 10$1,069 AUD
Retailer 4$1,106 AUD
MOH London$1,549 AUD
Retailer 7$1,593 AUD
Retailer 8$2,012 AUD

7 data points across 16 retailers

14 retailers$267 AUD to $1,549 AUD

A
Cheapest Retailer
-
$267 AUD
$187 USD
A
Retailer 2
-
$310 AUD
$217 USD
View
A
Retailer 3
-
$331 AUD
$232 USD
View
A
Retailer 4
-
$384 AUD
HK$2,100 HKD
View
A
Retailer 5
-
$563 AUD
€376 EUR
View
B+
Retailer 6
-
$582 AUD
$408 USD
View
A
Retailer 7
-
$599 AUD
£331 GBP
View
A
Retailer 8
-
$608 AUD
£336 GBP
View
A
Retailer 9
-
$655 AUD
$459 USD
View
A
Retailer 10
-
$705 AUD
$494 USD
View
B+
Retailer 11
-
$1,064 AUD
$746 USD
View
B+
Retailer 12
-
$1,069 AUD
$749 USD
View
B
Retailer 13
-
$1,106 AUD
$775 USD
View
Most Expensive
B
MOH London
LG697509689 · Nov 2
$1,549 AUD
£855 GBP
View
13 more retailers have this diamond
Prices start from $267 AUDSave up to $1,283 AUD

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
1.59ct Round
$267 AUD