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Round|Lab Grown|IGI

1.23ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG794602614

Shape and cutting style on the report: Round brilliant

Certificate IGI LG794602614

Diamond specifications and retailer prices

From HK$1,865 HKD
As of November 6, 2026
Save HK$2,445 HKD (57%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$7,891 HKD at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG794602614 or 794602614. Listed at 21 retailers as of November 2, 2026, with a 131% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.23
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794602614
Dimensions6.84 × 6.91 × 4.16 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.84 mm6.91 mm1.23 ctF / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG794602614
Side View
Table 60.0%Crown 36.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.5%

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: Nov 6
Current: HK$2,398 HKD|Low: HK$1,207 HKD|High: HK$8,310 HKD|Avg: HK$3,458 HKD|-5.3%
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
Reve Diamonds
November 6, 2026
Retailer 4HK$1,238 HKD
Retailer 14HK$1,238 HKD
Retailer 6HK$1,442 HKD
Retailer 5HK$1,536 HKD
Retailer 3HK$1,865 HKD
Retailer 10HK$2,336 HKD
Retailer 1HK$2,398 HKD
Retailer 8HK$2,994 HKD
Retailer 13HK$3,370 HKD
Retailer 7HK$3,488 HKD
Retailer 12HK$3,950 HKD
Retailer 9HK$4,311 HKD
Retailer 2HK$4,851 HKD
Retailer 11HK$6,435 HKD
Reve DiamondsHK$7,891 HKD

38 data points across 15 retailers

21 retailersHK$1,865 HKD to HK$4,311 HKD

Retailer 1
-
HK$1,082 HKD
Price last confirmed 23 days ago
Retailer 2
-
HK$1,105 HKD
View
Price last confirmed 11 days ago
Retailer 3
-
HK$1,238 HKD
View
Price last confirmed 27 days ago
Retailer 4
-
HK$1,285 HKD
View
Price last confirmed 7 days ago
Retailer 5
-
HK$1,340 HKD
View
Price last confirmed 23 days ago
Retailer 6
-
HK$1,442 HKD
View
Price last confirmed 28 days ago
Retailer 7
-
HK$1,536 HKD
View
Price last confirmed 35 days ago
B+
Retailer 8
-
HK$1,865 HKD
View
Retailer 9
-
HK$2,336 HKD
View
Price last confirmed 9 days ago
A
Retailer 10
-
HK$2,398 HKD
View
B+
Retailer 11
-
HK$2,994 HKD
View
B+
Retailer 12
-
HK$3,268 HKD
View
Retailer 13
-
HK$3,370 HKD
View
Price last confirmed 11 days ago
B+
Retailer 14
-
HK$3,488 HKD
View
Retailer 15
-
HK$3,950 HKD
View
Price last confirmed 11 days ago
Retailer 16
-
HK$4,303 HKD
View
Price last confirmed 23 days ago
B+
Retailer 17
-
HK$4,311 HKD
View
Retailer 18
-
HK$4,851 HKD
View
Price last confirmed 10 days ago
Retailer 19
-
HK$4,945 HKD
View
Price last confirmed 37 days ago
Retailer 20
-
HK$6,435 HKD
View
Price last confirmed 11 days ago
Most Expensive
Reve Diamonds
4FD743642 · Oct 25
HK$7,891 HKD
$1,007 USD
View
Price last confirmed 12 days ago
20 more retailers have this diamond
Prices start from HK$1,865 HKDSave up to HK$2,445 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
1.23ct Round
HK$1,865 HKD