Round|Lab Grown|IGI

2.51ct K VS1 Round Lab Grown Diamond

EX • K/VS1 • IGI LG499190299

Shape and cutting style on the report: Round brilliant

Certificate IGI LG499190299

Diamond specifications and retailer prices

From HK$40,740 HKD
As of November 5, 2026
Save HK$55,167 HKD (58%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$122,301 HKD at Cape Diamonds · As of November 3, 2026
View at Cape Diamonds

About this 2.51ct lab-grown round diamond

This 2.51ct lab-grown round sits in the two to three carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG499190299 or 499190299. Listed at 10 retailers as of November 5, 2026, with a 135% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.51
Carat
K
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499190299
Dimensions8.90 × 8.86 × 5.18 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
Faint Greyish Brown This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.90 mm8.86 mm2.51 ctK / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499190299
Side View
Table 61.0%Crown 31.9°GirdlePavilion 40.3°Culet: NoneDepth 58.3%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: HK$122,301 HKD|Low: HK$39,116 HKD|High: HK$127,553 HKD|Avg: HK$68,246 HKD|-4.1%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 6HK$40,740 HKD
Retailer 9HK$42,701 HKD
Retailer 7HK$47,259 HKD
Retailer 4HK$47,267 HKD
Retailer 11HK$50,484 HKD
Retailer 10HK$56,101 HKD
Retailer 5HK$59,263 HKD
Retailer 8HK$73,023 HKD
Retailer 2HK$95,908 HKD
Retailer 3HK$108,593 HKD
Cape DiamondsHK$122,301 HKD

23 data points across 11 retailers

10 retailersHK$40,740 HKD to HK$95,908 HKD

B
Cheapest Retailer
-
HK$40,740 HKD
B
Retailer 2
-
HK$42,701 HKD
View
B
Retailer 3
-
HK$47,259 HKD
View
Retailer 4
-
HK$47,259 HKD
View
Price last confirmed 25 days ago
B
Retailer 5
-
HK$47,267 HKD
View
B
Retailer 6
-
HK$56,101 HKD
View
B
Retailer 7
-
HK$59,263 HKD
View
B
Retailer 8
-
HK$73,023 HKD
View
B
Retailer 9
-
HK$95,908 HKD
View
Most Expensive
Cape Diamonds
cert_499190299 · Nov 3
HK$122,301 HKD
ZAR 251,847 ZAR
View
Price under review
9 more retailers have this diamond
Prices start from HK$40,740 HKDSave up to HK$55,167 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.

B
2.51ct Round
HK$40,740 HKD