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1.28ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG836617751

Shape and cutting style on the report: Round brilliant

Certificate IGI LG836617751

Diamond specifications and retailer prices

From HK$2,385 HKD
$304 USD
As of October 30, 2026
Save HK$12,366 HKD (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$14,751 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.28ct lab-grown round diamond

This 1.28ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836617751 or 836617751. Listed at 16 retailers as of October 29, 2026, with prices from HK$2,385 to HK$14,751, a HK$12,366 spread on the same certified stone. Brilliant Earth lists it at HK$14,751. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836617751
Dimensions6.90 × 6.95 × 4.31 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
6.90 mm6.95 mm1.28 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836617751
Side View
Table 58.0%Crown 35.8°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.2%

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$14,751 HKD|Low: HK$2,385 HKD|High: HK$17,419 HKD|Avg: HK$6,904 HKD|-15.3%
Brilliant Earth
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 30, 2026
Retailer 7HK$2,385 HKD
Retailer 4HK$2,644 HKD
Retailer 3HK$4,119 HKD
Retailer 2HK$4,202 HKD
Retailer 5HK$4,370 HKD
Retailer 10HK$4,383 HKD
Retailer 12HK$4,538 HKD
Retailer 9HK$4,630 HKD
Retailer 6HK$6,199 HKD
Retailer 16HK$8,113 HKD
Retailer 14HK$8,576 HKD
Retailer 8HK$8,890 HKD
Retailer 13HK$9,416 HKD
Retailer 11HK$10,643 HKD
Retailer 15HK$12,515 HKD
Brilliant EarthHK$14,751 HKD

27 data points across 16 retailers

16 retailersHK$2,385 HKD to HK$14,751 HKD

A
Cheapest Retailer
-
HK$2,385 HKD
$304 USD
Final sale: no returns
A
Retailer 2
-
HK$2,644 HKD
$337 USD
View
A
Retailer 3
-
HK$4,119 HKD
$525 USD
View
A
Retailer 4
-
HK$4,202 HKD
£422 GBP
View
A
Retailer 5
-
HK$4,370 HKD
$557 USD
View
A
Retailer 6
-
HK$4,383 HKD
€532 EUR
View
A
Retailer 7
-
HK$4,538 HKD
ZAR 9,344 ZAR
View
A
Retailer 8
-
HK$4,630 HKD
£465 GBP
View
A
Retailer 9
-
HK$6,199 HKD
$790 USD
View
B+
Retailer 10
-
HK$8,113 HKD
$1,034 USD
View
B+
Retailer 11
-
HK$8,576 HKD
SGD 1,477 SGD
View
B+
Retailer 12
-
HK$8,890 HKD
$1,133 USD
View
B+
Retailer 13
-
HK$9,416 HKD
$1,200 USD
View
B+
Retailer 14
-
HK$10,643 HKD
£1,068 GBP
View
Retailer 15
-
HK$12,515 HKD
$1,595 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
21640958A · Oct 29
HK$14,751 HKD
$1,880 USD
View
15 more retailers have this diamond
Prices start from HK$2,385 HKDSave up to HK$12,366 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
1.28ct Round
HK$2,385 HKD