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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 $332 NZD
$187 USD
As of November 1, 2026
Save $1,598 NZD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,930 NZD 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 $332 to $1,930, a $1,598 spread on the same certified stone. MOH London lists it at $1,930. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,930 NZD|Low: $332 NZD|High: $2,506 NZD|Avg: $1,057 NZD
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$332 NZD
Retailer 11$386 NZD
Retailer 6$412 NZD
Retailer 16$478 NZD
Retailer 13$702 NZD
Retailer 3$725 NZD
Retailer 2$747 NZD
Retailer 9$758 NZD
Retailer 15$816 NZD
Retailer 14$878 NZD
Retailer 5$1,326 NZD
Retailer 10$1,331 NZD
Retailer 4$1,377 NZD
MOH London$1,930 NZD
Retailer 7$1,985 NZD
Retailer 8$2,506 NZD

7 data points across 16 retailers

14 retailers$332 NZD to $1,930 NZD

A
Cheapest Retailer
-
$332 NZD
$187 USD
A
Retailer 2
-
$386 NZD
$217 USD
View
A
Retailer 3
-
$412 NZD
$232 USD
View
A
Retailer 4
-
$478 NZD
HK$2,100 HKD
View
A
Retailer 5
-
$702 NZD
€376 EUR
View
B+
Retailer 6
-
$725 NZD
$408 USD
View
A
Retailer 7
-
$747 NZD
£331 GBP
View
A
Retailer 8
-
$758 NZD
£336 GBP
View
A
Retailer 9
-
$816 NZD
$459 USD
View
A
Retailer 10
-
$878 NZD
$494 USD
View
B+
Retailer 11
-
$1,326 NZD
$746 USD
View
B+
Retailer 12
-
$1,331 NZD
$749 USD
View
B
Retailer 13
-
$1,377 NZD
$775 USD
View
Most Expensive
B
MOH London
LG697509689 · Nov 2
$1,930 NZD
£855 GBP
View
13 more retailers have this diamond
Prices start from $332 NZDSave up to $1,598 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
1.59ct Round
$332 NZD