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Round|Lab Grown|IGI

1.59ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG818686409

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818686409

Diamond specifications and retailer prices

From HK$1,593 HKD
$203 USD
As of November 1, 2026
Save HK$7,654 HKD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$9,247 HKD at MOH London · As of November 1, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG818686409 or 818686409. Listed at 15 retailers as of November 1, 2026, with prices from HK$1,593 to HK$9,247, a HK$7,654 spread on the same certified stone. MOH London lists it at HK$9,247. 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
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818686409
Dimensions7.49 × 7.47 × 4.59 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
7.49 mm7.47 mm1.59 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818686409
Side View
Table 58.0%Crown 34.9°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.4%

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: HK$9,247 HKD|Low: HK$1,593 HKD|High: HK$9,356 HKD|Avg: HK$4,934 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 7HK$1,593 HKD
Retailer 9HK$1,977 HKD
Retailer 10HK$3,429 HKD
Retailer 2HK$3,595 HKD
Retailer 4HK$3,616 HKD
Retailer 11HK$3,899 HKD
Retailer 6HK$5,123 HKD
Retailer 5HK$5,688 HKD
Retailer 3HK$6,775 HKD
Retailer 8HK$7,140 HKD
MOH LondonHK$9,247 HKD

40 data points across 11 retailers

15 retailersHK$1,593 HKD to HK$9,247 HKD

A
Cheapest Retailer
-
HK$1,593 HKD
$203 USD
A
Retailer 2
-
HK$1,852 HKD
$236 USD
View
A
Retailer 3
-
HK$1,977 HKD
$252 USD
View
Retailer 4
-
HK$1,977 HKD
$252 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
HK$3,429 HKD
$437 USD
View
A
Retailer 6
-
HK$3,595 HKD
£361 GBP
View
A
Retailer 7
-
HK$3,616 HKD
€439 EUR
View
A
Retailer 8
-
HK$3,899 HKD
$497 USD
View
B+
Retailer 9
-
HK$5,123 HKD
$653 USD
View
B+
Retailer 10
-
HK$5,610 HKD
$715 USD
View
Retailer 11
-
HK$5,688 HKD
$725 USD
View
Price last confirmed 15 days ago
B
Retailer 12
-
HK$6,355 HKD
$810 USD
View
B
Retailer 13
-
HK$6,775 HKD
$864 USD
View
B
Retailer 14
-
HK$7,140 HKD
$910 USD
View
Most Expensive
B
MOH London
LG818686409 · Nov 1
HK$9,247 HKD
£928 GBP
View
14 more retailers have this diamond
Prices start from HK$1,593 HKDSave up to HK$7,654 HKD

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
HK$1,593 HKD