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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 $187 USD
As of November 1, 2026
Save $899 USD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,086 USD 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 $187 to $1,086, a $899 spread on the same certified stone. MOH London lists it at $1,086. 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
Color
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: $1,086 USD|Low: $187 USD|High: $1,410 USD|Avg: $595 USD
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$187 USD
Retailer 11$217 USD
Retailer 6$232 USD
Retailer 16$269 USD
Retailer 13$395 USD
Retailer 3$408 USD
Retailer 2$420 USD
Retailer 9$426 USD
Retailer 15$459 USD
Retailer 14$494 USD
Retailer 5$746 USD
Retailer 10$749 USD
Retailer 4$775 USD
MOH London$1,086 USD
Retailer 7$1,117 USD
Retailer 8$1,410 USD

7 data points across 16 retailers

14 retailers$187 USD to $1,086 USD

A
Cheapest Retailer
-
$187 USD
A
Retailer 2
-
$217 USD
View
A
Retailer 3
-
$232 USD
View
A
Retailer 4
-
$269 USD
HK$2,100 HKD
View
A
Retailer 5
-
$395 USD
€376 EUR
View
B+
Retailer 6
-
$408 USD
View
A
Retailer 7
-
$420 USD
£331 GBP
View
A
Retailer 8
-
$426 USD
£336 GBP
View
A
Retailer 9
-
$459 USD
View
A
Retailer 10
-
$494 USD
View
B+
Retailer 11
-
$746 USD
View
B+
Retailer 12
-
$749 USD
View
B
Retailer 13
-
$775 USD
View
Most Expensive
B
MOH London
LG697509689 · Nov 2
$1,086 USD
£855 GBP
View
13 more retailers have this diamond
Prices start from $187 USDSave up to $899 USD

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
$187 USD