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Round|Lab Grown|IGI

5.19ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG627420175

Shape and cutting style on the report: Round brilliant

Certificate IGI LG627420175

Diamond specifications and retailer prices

From HK$4,754 HKD
$606 USD
As of October 29, 2026
Save HK$26,314 HKD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$34,117 HKD at Rare Carat · As of September 23, 2026
View at Rare Carat

About this 5.19ct lab-grown round diamond

This 5.19ct lab-grown round sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG627420175 or 627420175. Listed at 17 retailers as of October 29, 2026, with a 553% 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

5.19
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627420175
Dimensions11.17 × 11.22 × 6.78 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
11.17 mm11.22 mm5.19 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627420175
Side View
Table 58.0%Crown 34.1°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.6%

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$24,008 HKD|Low: HK$4,754 HKD|High: HK$32,089 HKD|Avg: HK$12,655 HKD|-1.0%
Rare Carat
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
October 31, 2026
Retailer 4HK$4,754 HKD
Retailer 12HK$5,319 HKD
Retailer 15HK$5,892 HKD
Retailer 16HK$5,892 HKD
Retailer 14HK$7,349 HKD
Retailer 5HK$9,030 HKD
Retailer 10HK$9,062 HKD
Retailer 9HK$9,191 HKD
Retailer 7HK$9,274 HKD
Retailer 2HK$9,457 HKD
Retailer 8HK$13,346 HKD
Retailer 13HK$14,617 HKD
Retailer 3HK$15,495 HKD
Rare CaratHK$24,008 HKD
Retailer 11HK$25,608 HKD
Retailer 6HK$31,069 HKD

39 data points across 16 retailers

17 retailersHK$4,754 HKD to HK$31,069 HKD

A
Cheapest Retailer
-
HK$4,754 HKD
$606 USD
A
Retailer 2
-
HK$5,319 HKD
$678 USD
View
Retailer 3
-
HK$5,892 HKD
$751 USD
View
Price last confirmed 14 days ago
A
Retailer 4
-
HK$5,892 HKD
$751 USD
View
Retailer 5
-
HK$7,349 HKD
£738 GBP
View
Price last confirmed 14 days ago
B+
Retailer 6
-
HK$9,030 HKD
$1,151 USD
View
B+
Retailer 7
-
HK$9,062 HKD
$1,155 USD
View
A
Retailer 8
-
HK$9,191 HKD
£922 GBP
View
A
Retailer 9
-
HK$9,274 HKD
$1,182 USD
View
A
Retailer 10
-
HK$9,457 HKD
€1,148 EUR
View
B+
Retailer 11
-
HK$13,346 HKD
$1,701 USD
View
B+
Retailer 12
-
HK$14,617 HKD
$1,863 USD
View
B+
Retailer 13
-
HK$15,495 HKD
$1,975 USD
View
Retailer 14
-
HK$24,008 HKD
$3,060 USD
View
Price last confirmed 9 days ago
B
Retailer 15
-
HK$25,608 HKD
£2,570 GBP
View
B
Retailer 16
-
HK$31,069 HKD
$3,960 USD
View
Most Expensive
Rare Carat
LG-148175_l_702569939 · Sep 23
HK$34,117 HKD
$4,348 USD
View
Price last confirmed 38 days ago
16 more retailers have this diamond
Prices start from HK$4,754 HKDSave up to HK$26,314 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
5.19ct Round
HK$4,754 HKD