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Oval|Lab Grown|IGI

1.77ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG690502894

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG690502894

Diamond specifications and retailer prices

From HK$1,985 HKD
$253 USD
As of October 27, 2026
Save HK$4,849 HKD (71%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$6,834 HKD at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 1.77ct lab-grown oval diamond

This 1.77ct 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 LG690502894 or 690502894. Listed at 9 retailers as of October 27, 2026, with prices from HK$1,985 to HK$6,834, a HK$4,849 spread on the same certified stone. NZ Jewellers lists it at HK$6,834. 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

1.77
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG690502894
Dimensions9.91 × 6.77 × 4.28 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.91 mm6.77 mm1.77 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG690502894
Side View
Table 56.0%Crown 35.4°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.2%

Caratlytics Score

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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: Oct 27
Current: HK$6,834 HKD|Low: HK$1,985 HKD|High: HK$14,987 HKD|Avg: HK$5,868 HKD
NZ Jewellers
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 29, 2026
Retailer 13HK$1,985 HKD
Retailer 7HK$2,126 HKD
Retailer 11HK$2,410 HKD
Retailer 6HK$2,737 HKD
Retailer 12HK$3,641 HKD
Retailer 2HK$3,948 HKD
Retailer 8HK$4,198 HKD
Retailer 3HK$4,243 HKD
Retailer 9HK$4,708 HKD
NZ JewellersHK$6,834 HKD
Retailer 10HK$8,474 HKD
Retailer 4HK$9,627 HKD
Retailer 5HK$14,987 HKD

3 data points across 13 retailers

9 retailersHK$1,985 HKD to HK$6,834 HKD

A
Cheapest Retailer
-
HK$1,985 HKD
$253 USD
A
Retailer 2
-
HK$2,126 HKD
$271 USD
View
A
Retailer 3
-
HK$2,410 HKD
View
A
Retailer 4
-
HK$2,737 HKD
£275 GBP
View
B+
Retailer 5
-
HK$3,641 HKD
$464 USD
View
A
Retailer 6
-
HK$3,948 HKD
£396 GBP
View
A
Retailer 7
-
HK$4,198 HKD
$535 USD
View
B+
Retailer 8
-
HK$4,708 HKD
$600 USD
View
Most Expensive
B
NZ Jewellers
50bc0bdf-1e6f-4035-928e-b11690bafe16 · Oct 28
HK$6,834 HKD
$871 USD
View
8 more retailers have this diamond
Prices start from HK$1,985 HKDSave up to HK$4,849 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
1.77ct Oval
HK$1,985 HKD