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Round|Lab Grown|IGI

1.29ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG728577513

Shape and cutting style on the report: Round brilliant

Certificate IGI LG728577513

Diamond specifications and retailer prices

From HK$1,703 HKD
$217 USD
As of October 30, 2026
Save HK$7,506 HKD (82%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$9,533 HKD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 1.29ct lab-grown round diamond

This 1.29ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG728577513 or 728577513. Listed at 21 retailers as of October 30, 2026, with a 441% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728577513
Dimensions7.00 × 6.97 × 4.29 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.00 mm6.97 mm1.29 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728577513
Side View
Table 59.0%Crown 34.3°Girdle: MediumPavilion 41.2°Culet: NoneDepth 61.5%

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 30
Current: HK$9,533 HKD|Low: HK$1,703 HKD|High: HK$9,611 HKD|Avg: HK$4,682 HKD|-0.8%
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
October 30, 2026
Retailer 14HK$1,703 HKD
Retailer 6HK$1,993 HKD
Retailer 7HK$2,016 HKD
Retailer 11HK$2,628 HKD
Retailer 2HK$3,052 HKD
Retailer 9HK$3,237 HKD
Retailer 8HK$3,429 HKD
Retailer 3HK$3,837 HKD
Retailer 10HK$4,600 HKD
Retailer 4HK$5,594 HKD
Retailer 13HK$6,080 HKD
Retailer 5HK$6,481 HKD
Retailer 12HK$8,858 HKD
Retailer 15HK$9,208 HKD
Rare CaratHK$9,533 HKD

41 data points across 15 retailers

21 retailersHK$1,703 HKD to HK$9,208 HKD

Retailer 1
-
HK$1,459 HKD
$186 USD
Price last confirmed 22 days ago
Retailer 2
-
HK$1,624 HKD
$207 USD
View
Price last confirmed 38 days ago
A
Retailer 3
-
HK$1,703 HKD
$217 USD
View
Final sale: no returns
Retailer 4
-
HK$1,883 HKD
$240 USD
View
Price last confirmed 38 days ago
Retailer 5
-
HK$1,883 HKD
$240 USD
View
Price last confirmed 28 days ago
Retailer 6
-
HK$1,883 HKD
$240 USD
View
Price last confirmed 22 days ago
Retailer 7
-
HK$1,993 HKD
$254 USD
View
Price last confirmed 38 days ago
B+
Retailer 8
-
HK$2,628 HKD
$335 USD
View
A
Retailer 9
-
HK$3,052 HKD
£306 GBP
View
A
Retailer 10
-
HK$3,237 HKD
ZAR 6,665 ZAR
View
A
Retailer 11
-
HK$3,429 HKD
£344 GBP
View
A
Retailer 12
-
HK$3,837 HKD
$489 USD
View
A
Retailer 13
-
HK$4,600 HKD
A$902 AUD
View
A
Retailer 14
-
HK$5,594 HKD
$713 USD
View
Retailer 15
-
HK$6,057 HKD
$772 USD
View
Price last confirmed 26 days ago
A
Retailer 16
-
HK$6,080 HKD
$775 USD
View
Retailer 17
-
HK$6,481 HKD
$826 USD
View
Price last confirmed 39 days ago
B+
Retailer 18
-
HK$6,481 HKD
$826 USD
View
B+
Retailer 19
-
HK$8,858 HKD
£889 GBP
View
B+
Retailer 20
-
HK$9,208 HKD
$1,174 USD
View
Most Expensive
Rare Carat
GD17591_l_728577513 · Oct 18
HK$9,533 HKD
$1,215 USD
View
Price last confirmed 12 days ago
20 more retailers have this diamond
Prices start from HK$1,703 HKDSave up to HK$7,506 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
1.29ct Round
HK$1,703 HKD