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Oval|Lab Grown|IGI

1.59ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG578326356

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG578326356

Diamond specifications and retailer prices

From HK$2,369 HKD
$302 USD
As of October 31, 2026
Save HK$7,281 HKD (75%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$9,650 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.59ct lab-grown oval diamond

This 1.59ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG578326356 or 578326356. Listed at 22 retailers as of October 29, 2026, with prices from HK$2,369 to HK$9,650, a HK$7,281 spread on the same certified stone. Brilliant Earth lists it at HK$9,650. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG578326356
Dimensions9.22 × 6.60 × 4.14 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.22 mm6.60 mm1.59 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG578326356
Side View
Table 59.0%Crown 37.2°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.7%

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: Oct 31
Current: HK$9,650 HKD|Low: HK$1,522 HKD|High: HK$9,964 HKD|Avg: HK$5,209 HKD|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 12HK$2,212 HKD
Retailer 4HK$2,338 HKD
Retailer 11HK$3,358 HKD
Retailer 7HK$3,962 HKD
Retailer 3HK$4,331 HKD
Retailer 13HK$4,362 HKD
Retailer 2HK$4,501 HKD
Retailer 6HK$4,784 HKD
Retailer 5HK$5,214 HKD
Retailer 8HK$7,336 HKD
Retailer 10HK$7,650 HKD
Retailer 9HK$9,556 HKD
Brilliant EarthHK$9,650 HKD

44 data points across 13 retailers

22 retailersHK$2,369 HKD to HK$9,650 HKD

Retailer 1
-
HK$1,914 HKD
$244 USD
Price last confirmed 32 days ago
Retailer 2
-
HK$2,220 HKD
$283 USD
View
Price last confirmed 17 days ago
Retailer 3
-
HK$2,220 HKD
$283 USD
View
Price last confirmed 35 days ago
Retailer 4
-
HK$2,338 HKD
$298 USD
View
Price last confirmed 32 days ago
A
Retailer 5
-
HK$2,369 HKD
$302 USD
View
Retailer 6
-
HK$2,369 HKD
$302 USD
View
Price last confirmed 21 days ago
Retailer 7
-
HK$2,369 HKD
$302 USD
View
Price last confirmed 29 days ago
A
Retailer 8
-
HK$2,812 HKD
View
B+
Retailer 9
-
HK$3,358 HKD
$428 USD
View
A
Retailer 10
-
HK$3,962 HKD
€481 EUR
View
B+
Retailer 11
-
HK$4,331 HKD
$552 USD
View
B+
Retailer 12
-
HK$4,362 HKD
$556 USD
View
B+
Retailer 13
-
HK$4,501 HKD
£452 GBP
View
B+
Retailer 14
-
HK$4,784 HKD
A$938 AUD
View
B+
Retailer 15
-
HK$5,214 HKD
$665 USD
View
Retailer 16
-
HK$7,336 HKD
$935 USD
View
Price last confirmed 13 days ago
Retailer 17
-
HK$7,626 HKD
$972 USD
View
Price last confirmed 21 days ago
Retailer 18
-
HK$7,626 HKD
$972 USD
View
Price last confirmed 31 days ago
B
Retailer 19
-
HK$7,650 HKD
$975 USD
View
B
Retailer 20
-
HK$8,029 HKD
SGD 1,383 SGD
View
Retailer 21
-
HK$9,556 HKD
£959 GBP
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
7306134A · Oct 29
HK$9,650 HKD
$1,230 USD
View
21 more retailers have this diamond
Prices start from HK$2,369 HKDSave up to HK$7,281 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 Oval
HK$2,369 HKD