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Oval|Lab Grown|IGI

1.58ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG789633250

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG789633250

Diamond specifications and retailer prices

From HK$1,585 HKD
$202 USD
As of October 26, 2026
Save HK$7,987 HKD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$9,572 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.58ct lab-grown oval diamond

This 1.58ct 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 LG789633250 or 789633250. Listed at 18 retailers as of October 26, 2026, with prices from HK$1,585 to HK$9,572, a HK$7,987 spread on the same certified stone. Brilliant Earth lists it at HK$9,572. 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

1.58
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG789633250
Dimensions9.70 × 6.50 × 3.97 mm
L/W Ratio1.49
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.70 mm6.50 mm1.58 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG789633250
Side View
Table 59.0%Crown 35.8°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 61.1%

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 26
Current: HK$9,572 HKD|Low: HK$1,522 HKD|High: HK$9,572 HKD|Avg: HK$4,426 HKD
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 18HK$1,585 HKD
Retailer 7HK$1,765 HKD
Retailer 16HK$1,836 HKD
Retailer 17HK$1,969 HKD
Retailer 12HK$2,196 HKD
Retailer 15HK$2,209 HKD
Retailer 2HK$3,213 HKD
Retailer 5HK$3,413 HKD
Retailer 13HK$3,589 HKD
Retailer 8HK$4,001 HKD
Retailer 11HK$4,223 HKD
Retailer 9HK$4,268 HKD
Retailer 6HK$5,092 HKD
Retailer 4HK$6,324 HKD
Retailer 10HK$6,386 HKD
Retailer 3HK$7,728 HKD
Retailer 14HK$9,207 HKD
Brilliant EarthHK$9,572 HKD

40 data points across 18 retailers

18 retailersHK$1,585 HKD to HK$9,572 HKD

A
Cheapest Retailer
-
HK$1,585 HKD
$202 USD
Retailer 2
-
HK$1,836 HKD
$234 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
HK$1,969 HKD
$251 USD
View
A
Retailer 4
-
HK$2,196 HKD
£220 GBP
View
A
Retailer 5
-
HK$2,209 HKD
View
A
Retailer 6
-
HK$3,213 HKD
€390 EUR
View
B+
Retailer 7
-
HK$3,413 HKD
$435 USD
View
A
Retailer 8
-
HK$3,589 HKD
£360 GBP
View
A
Retailer 9
-
HK$4,001 HKD
$510 USD
View
A
Retailer 10
-
HK$4,223 HKD
A$828 AUD
View
A
Retailer 11
-
HK$4,268 HKD
$544 USD
View
B+
Retailer 12
-
HK$5,092 HKD
$649 USD
View
B+
Retailer 13
-
HK$6,324 HKD
$806 USD
View
B+
Retailer 14
-
HK$6,386 HKD
SGD 1,100 SGD
View
Retailer 15
-
HK$7,218 HKD
$920 USD
View
Price last confirmed 10 days ago
Retailer 16
-
HK$7,728 HKD
$985 USD
View
Price last confirmed 12 days ago
B
Retailer 17
-
HK$9,207 HKD
£924 GBP
View
Most Expensive
B
Brilliant Earth
18521721A · Oct 29
HK$9,572 HKD
$1,220 USD
View
17 more retailers have this diamond
Prices start from HK$1,585 HKDSave up to HK$7,987 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
1.58ct Oval
HK$1,585 HKD