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Round|Lab Grown|IGI

1.21ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG836617703

Shape and cutting style on the report: Round brilliant

Certificate IGI LG836617703

Diamond specifications and retailer prices

From HK$2,024 HKD
$258 USD
As of October 29, 2026
Save HK$15,480 HKD (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$17,504 HKD at Helzberg Diamonds · As of October 29, 2026
View at Helzberg Diamonds

About this 1.21ct lab-grown round diamond

This 1.21ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836617703 or 836617703. Listed at 22 retailers as of October 29, 2026, with prices from HK$2,024 to HK$17,504, a HK$15,480 spread on the same certified stone. Helzberg Diamonds lists it at HK$17,504. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836617703
Dimensions6.77 × 6.83 × 4.23 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
6.77 mm6.83 mm1.21 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836617703
Side View
Table 58.0%Crown 35.6°Girdle: MED-STKPavilion 41°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 29
Current: HK$3,996 HKD|Low: HK$2,008 HKD|High: HK$16,398 HKD|Avg: HK$5,928 HKD|-3.7%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 30, 2026
Retailer 9HK$2,024 HKD
Retailer 10HK$2,267 HKD
Retailer 4HK$2,346 HKD
Retailer 5HK$2,511 HKD
Retailer 13HK$2,511 HKD
Retailer 17HK$3,766 HKD
Retailer 1HK$3,996 HKD
Retailer 15HK$4,185 HKD
Retailer 6HK$4,197 HKD
Retailer 16HK$4,315 HKD
Retailer 7HK$4,480 HKD
Retailer 12HK$4,785 HKD
Retailer 8HK$5,594 HKD
Retailer 3HK$7,712 HKD
Retailer 14HK$8,073 HKD
Retailer 20HK$8,163 HKD
Retailer 11HK$8,477 HKD
Retailer 19HK$8,897 HKD
Retailer 18HK$10,084 HKD
Retailer 2HK$11,847 HKD
Retailer 21HK$13,965 HKD

24 data points across 21 retailers

22 retailersHK$2,024 HKD to HK$17,504 HKD

A
Cheapest Retailer
-
HK$2,024 HKD
$258 USD
A
Retailer 2
-
HK$2,267 HKD
$289 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,346 HKD
$299 USD
View
A
Retailer 4
-
HK$2,511 HKD
$320 USD
View
A
Retailer 5
-
HK$2,511 HKD
$320 USD
View
A
Retailer 6
-
HK$3,766 HKD
$480 USD
View
A
Retailer 7
-
HK$3,996 HKD
£401 GBP
View
A
Retailer 8
-
HK$4,185 HKD
€508 EUR
View
A
Retailer 9
-
HK$4,197 HKD
$535 USD
View
A
Retailer 10
-
HK$4,315 HKD
ZAR 8,886 ZAR
View
A
Retailer 11
-
HK$4,480 HKD
$571 USD
View
A
Retailer 12
-
HK$4,785 HKD
£480 GBP
View
B+
Retailer 13
-
HK$5,594 HKD
$713 USD
View
B+
Retailer 14
-
HK$7,712 HKD
$983 USD
View
B+
Retailer 15
-
HK$8,073 HKD
$1,029 USD
View
B+
Retailer 16
-
HK$8,163 HKD
SGD 1,406 SGD
View
B+
Retailer 17
-
HK$8,477 HKD
$1,080 USD
View
B+
Retailer 18
-
HK$8,897 HKD
$1,134 USD
View
B+
Retailer 19
-
HK$10,084 HKD
£1,012 GBP
View
Retailer 20
-
HK$11,847 HKD
$1,510 USD
View
Price last confirmed 10 days ago
B
Retailer 21
-
HK$13,965 HKD
$1,780 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOJMMHNNGJ · Oct 29
HK$17,504 HKD
$2,231 USD
View
21 more retailers have this diamond
Prices start from HK$2,024 HKDSave up to HK$15,480 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
1.21ct Round
HK$2,024 HKD