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Round|Lab Grown|IGI

1.29ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG783659904

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783659904

Diamond specifications and retailer prices

From HK$2,817 HKD
$359 USD
As of October 29, 2026
Save HK$12,719 HKD (82%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: HK$15,535 HKD at Brilliant Earth · As of October 31, 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG783659904 or 783659904. Listed at 25 retailers as of October 29, 2026, with prices from HK$2,817 to HK$15,535, a HK$12,719 spread on the same certified stone. Brilliant Earth lists it at HK$15,535. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783659904
Dimensions6.95 × 7.00 × 4.29 mm
L/W Ratio1.01
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
6.95 mm7.00 mm1.29 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783659904
Side View
Table 58.0%Crown 34.7°Girdle: MED-STKPavilion 40.9°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 29
Current: HK$15,535 HKD|Low: HK$2,778 HKD|High: HK$20,635 HKD|Avg: HK$8,368 HKD|-24.7%
Brilliant Earth
Retailer 2
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Retailer 24
October 31, 2026
Retailer 17HK$2,817 HKD
Retailer 12HK$3,154 HKD
Retailer 7HK$3,264 HKD
Retailer 4HK$3,492 HKD
Retailer 11HK$3,492 HKD
Retailer 24HK$4,668 HKD
Retailer 14HK$4,692 HKD
Retailer 9HK$5,414 HKD
Retailer 2HK$5,619 HKD
Retailer 21HK$5,804 HKD
Retailer 22HK$6,002 HKD
Retailer 18HK$6,277 HKD
Retailer 5HK$6,520 HKD
Retailer 19HK$8,481 HKD
Retailer 3HK$8,725 HKD
Retailer 13HK$9,761 HKD
Retailer 23HK$10,985 HKD
Retailer 16HK$11,130 HKD
Retailer 6HK$11,228 HKD
Retailer 10HK$11,549 HKD
Retailer 15HK$13,347 HKD
Retailer 20HK$13,721 HKD
Retailer 8HK$13,754 HKD
Brilliant EarthHK$15,535 HKD

28 data points across 24 retailers

25 retailersHK$2,817 HKD to HK$15,535 HKD

A
Cheapest Retailer
-
HK$2,817 HKD
$359 USD
A
Retailer 2
-
HK$3,154 HKD
$402 USD
View
Final sale: no returns
A
Retailer 3
-
HK$3,264 HKD
$416 USD
View
Retailer 4
-
HK$3,492 HKD
$445 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
HK$3,492 HKD
$445 USD
View
A
Retailer 6
-
HK$4,668 HKD
$595 USD
View
A
Retailer 7
-
HK$4,692 HKD
$598 USD
View
A
Retailer 8
-
HK$5,414 HKD
$690 USD
View
A
Retailer 9
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HK$5,619 HKD
€682 EUR
View
A
Retailer 10
-
HK$5,804 HKD
A$1,138 AUD
View
A
Retailer 11
-
HK$6,002 HKD
ZAR 12,359 ZAR
View
A
Retailer 12
-
HK$6,277 HKD
£630 GBP
View
A
Retailer 13
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HK$6,520 HKD
$831 USD
View
B+
Retailer 14
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HK$8,481 HKD
A$1,663 AUD
View
B+
Retailer 15
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HK$8,725 HKD
$1,112 USD
View
B+
Retailer 16
-
HK$9,761 HKD
A$1,914 AUD
View
Retailer 17
-
HK$10,522 HKD
$1,341 USD
View
Price last confirmed 11 days ago
B+
Retailer 18
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HK$10,985 HKD
$1,400 USD
View
B+
Retailer 19
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HK$11,130 HKD
SGD 1,917 SGD
View
B+
Retailer 20
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HK$11,228 HKD
$1,431 USD
View
B+
Retailer 21
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HK$11,549 HKD
$1,472 USD
View
B+
Retailer 22
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HK$13,347 HKD
$1,701 USD
View
B+
Retailer 23
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HK$13,721 HKD
£1,377 GBP
View
B+
Retailer 24
-
HK$13,754 HKD
$1,753 USD
View
Most Expensive
B
Brilliant Earth
18278646A · Oct 31
HK$15,535 HKD
$1,980 USD
View
24 more retailers have this diamond
Prices start from HK$2,817 HKDSave up to HK$12,719 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$2,817 HKD