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Oval|Lab Grown|IGI

1.56ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG636421534

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG636421534

Diamond specifications and retailer prices

From HK$2,377 HKD
$303 USD
As of October 29, 2026
Save HK$18,728 HKD (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$21,105 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.56ct lab-grown oval diamond

This 1.56ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG636421534 or 636421534. Listed at 12 retailers as of October 29, 2026, with prices from HK$2,377 to HK$21,105, a HK$18,728 spread on the same certified stone. Do Amore Diamonds lists it at HK$21,105. 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

1.56
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG636421534
Dimensions9.66 × 6.46 × 3.92 mm
L/W Ratio1.50
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.66 mm6.46 mm1.56 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG636421534
Side View
Table 60.0%Crown 32.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.7%

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 29
Current: HK$5,823 HKD|Low: HK$1,891 HKD|High: HK$21,105 HKD|Avg: HK$4,848 HKD|+3.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 5HK$2,377 HKD
Retailer 11HK$2,660 HKD
Retailer 9HK$2,754 HKD
Retailer 2HK$2,942 HKD
Retailer 6HK$2,942 HKD
Retailer 3HK$3,295 HKD
Retailer 4HK$4,158 HKD
Retailer 10HK$5,578 HKD
Retailer 1HK$5,823 HKD
Retailer 7HK$9,154 HKD
Retailer 8HK$10,450 HKD

42 data points across 11 retailers

12 retailersHK$2,377 HKD to HK$21,105 HKD

A
Cheapest Retailer
-
HK$2,377 HKD
$303 USD
A
Retailer 2
-
HK$2,660 HKD
$339 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,754 HKD
$351 USD
View
A
Retailer 4
-
HK$2,942 HKD
$375 USD
View
A
Retailer 5
-
HK$2,942 HKD
$375 USD
View
A
Retailer 6
-
HK$3,295 HKD
$420 USD
View
B+
Retailer 7
-
HK$4,158 HKD
$530 USD
View
B+
Retailer 8
-
HK$5,578 HKD
$711 USD
View
B+
Retailer 9
-
HK$5,823 HKD
£584 GBP
View
B
Retailer 10
-
HK$9,154 HKD
$1,167 USD
View
B
Retailer 11
-
HK$10,450 HKD
$1,332 USD
View
Most Expensive
B
Do Amore Diamonds
27-F1060B723 · Oct 31
HK$21,105 HKD
$2,690 USD
View
11 more retailers have this diamond
Prices start from HK$2,377 HKDSave up to HK$18,728 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
1.56ct Oval
HK$2,377 HKD