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Round|Lab Grown|IGI

2.50ct K VS1 Round Lab Grown Diamond

EX • K/VS1 • IGI LG497172490

Shape and cutting style on the report: Round brilliant

Certificate IGI LG497172490

Diamond specifications and retailer prices

From $5,173 USD
As of November 5, 2026
Save $7,038 USD (58%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $15,530 USD at Cape Diamonds · As of November 3, 2026
View at Cape Diamonds

About this 2.5ct lab-grown round diamond

This 2.5ct 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 LG497172490 or 497172490. Listed at 10 retailers as of November 3, 2026, with a 136% 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

2.50
Carat
K
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497172490
Dimensions8.91 × 8.88 × 5.23 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.91 mm8.88 mm2.50 ctK / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG497172490
Side View
Table 57.0%Crown 31.4°GirdlePavilion 40.3°Culet: NoneDepth 58.8%

Caratlytics Score

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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: $15,530 USD|Low: $4,966 USD|High: $21,475 USD|Avg: $9,687 USD|-4.1%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 7$5,173 USD
Retailer 10$5,422 USD
Retailer 8$6,001 USD
Retailer 6$6,020 USD
Retailer 12$6,411 USD
Retailer 11$7,124 USD
Retailer 5$7,525 USD
Retailer 9$9,273 USD
Retailer 2$12,211 USD
Retailer 4$13,787 USD
Cape Diamonds$15,530 USD
Retailer 3$21,475 USD

20 data points across 12 retailers

10 retailers$5,173 USD to $12,211 USD

B
Cheapest Retailer
-
$5,173 USD
B
Retailer 2
-
$5,422 USD
View
B
Retailer 3
-
$6,001 USD
View
Retailer 4
-
$6,001 USD
View
Price last confirmed 25 days ago
B
Retailer 5
-
$6,020 USD
View
B
Retailer 6
-
$7,124 USD
View
B
Retailer 7
-
$7,525 USD
View
B
Retailer 8
-
$9,273 USD
View
B
Retailer 9
-
$12,211 USD
View
Most Expensive
Cape Diamonds
cert_497172490 · Nov 3
$15,530 USD
ZAR 250,884 ZAR
View
Price under review
9 more retailers have this diamond
Prices start from $5,173 USDSave up to $7,038 USD

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
2.50ct Round
$5,173 USD