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Round|Lab Grown|IGI

1.29ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG839698431

Shape and cutting style on the report: Round brilliant

Certificate IGI LG839698431

Diamond specifications and retailer prices

From HK$2,275 HKD
$290 USD
As of October 30, 2026
Save HK$17,341 HKD (88%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$19,616 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 LG839698431 or 839698431. Listed at 14 retailers as of October 29, 2026, with prices from HK$2,275 to HK$19,616, a HK$17,341 spread on the same certified stone. Brilliant Earth lists it at HK$19,616. 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 angle33.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839698431
Dimensions7.04 × 7.09 × 4.20 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.04 mm7.09 mm1.29 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839698431
Side View
Table 60.0%Crown 33.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 59.6%

Caratlytics Score

How it works →
A+
Exceptional
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$4,091 HKD|Low: HK$2,275 HKD|High: HK$10,483 HKD|Avg: HK$5,477 HKD|-2.8%
Retailer 1
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 30, 2026
Retailer 8HK$2,275 HKD
Retailer 5HK$2,812 HKD
Retailer 9HK$3,413 HKD
Retailer 2HK$3,766 HKD
Retailer 1HK$4,091 HKD
Retailer 7HK$4,177 HKD
Retailer 11HK$4,342 HKD
Retailer 6HK$4,818 HKD
Retailer 10HK$6,151 HKD
Retailer 4HK$7,823 HKD
Retailer 13HK$8,164 HKD
Retailer 12HK$9,690 HKD
Retailer 3HK$10,214 HKD

24 data points across 13 retailers

14 retailersHK$2,275 HKD to HK$19,616 HKD

A+
Cheapest Retailer
-
HK$2,275 HKD
$290 USD
Final sale: no returns
A
Retailer 2
-
HK$2,812 HKD
View
A
Retailer 3
-
HK$3,413 HKD
$435 USD
View
A
Retailer 4
-
HK$3,766 HKD
$480 USD
View
A
Retailer 5
-
HK$4,091 HKD
£411 GBP
View
A
Retailer 6
-
HK$4,177 HKD
€507 EUR
View
A
Retailer 7
-
HK$4,342 HKD
ZAR 8,940 ZAR
View
A
Retailer 8
-
HK$4,818 HKD
£484 GBP
View
A
Retailer 9
-
HK$6,151 HKD
A$1,206 AUD
View
B+
Retailer 10
-
HK$7,823 HKD
$997 USD
View
B+
Retailer 11
-
HK$8,164 HKD
SGD 1,406 SGD
View
B+
Retailer 12
-
HK$9,690 HKD
$1,235 USD
View
B+
Retailer 13
-
HK$10,214 HKD
£1,025 GBP
View
Most Expensive
B
Brilliant Earth
21711149A · Oct 29
HK$19,616 HKD
$2,500 USD
View
13 more retailers have this diamond
Prices start from HK$2,275 HKDSave up to HK$17,341 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$2,275 HKD