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Round|Lab Grown|IGI

1.39ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG561275075

Shape and cutting style on the report: Round brilliant

Certificate IGI LG561275075

Diamond specifications and retailer prices

From HK$7,461 HKD
$951 USD
As of October 29, 2026
Save HK$6,394 HKD (46%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$24,337 HKD at NZ Jewellers · As of October 31, 2026
View at NZ Jewellers

About this 1.39ct lab-grown round diamond

This 1.39ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG561275075 or 561275075. Listed at 11 retailers as of October 28, 2026, with a 86% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.39
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG561275075
Dimensions7.20 × 7.17 × 4.35 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.20 mm7.17 mm1.39 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG561275075
Side View
Table 58.5%Crown 34.4°GirdlePavilion 40.6°Culet: NoneDepth 60.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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$13,296 HKD|Low: HK$7,163 HKD|High: HK$29,753 HKD|Avg: HK$15,107 HKD|+2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 6HK$7,461 HKD
Retailer 7HK$8,654 HKD
Retailer 3HK$10,042 HKD
Retailer 1HK$13,296 HKD
Retailer 8HK$13,856 HKD
Retailer 4HK$18,118 HKD
Retailer 5HK$18,657 HKD
Retailer 2HK$29,513 HKD

39 data points across 8 retailers

11 retailersHK$7,461 HKD to HK$13,856 HKD

B
Cheapest Retailer
-
HK$7,461 HKD
$951 USD
B
Retailer 2
-
HK$8,120 HKD
$1,035 USD
View
Retailer 3
-
HK$8,654 HKD
$1,103 USD
View
Price last confirmed 18 days ago
B
Retailer 4
-
HK$8,654 HKD
$1,103 USD
View
B
Retailer 5
-
HK$10,042 HKD
$1,280 USD
View
B
Retailer 6
-
HK$13,296 HKD
£1,334 GBP
View
B
Retailer 7
-
HK$13,856 HKD
$1,766 USD
View
Retailer 8
-
HK$18,118 HKD
£1,818 GBP
View
Price under review
Retailer 9
-
HK$18,657 HKD
$2,378 USD
View
Price under review
Most Expensive
NZ Jewellers
c2689184-07c3-4958-917e-49326df01f5e · Oct 31
HK$24,337 HKD
$3,102 USD
View
Price under review
9 more retailers have this diamond
Prices start from HK$7,461 HKDSave up to HK$6,394 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.

B
1.39ct Round
HK$7,461 HKD