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Round|Lab Grown|IGI

1.16ct I VS1 Round Lab Grown Diamond

ID • I/VS1 • IGI LG492122427

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492122427

Diamond specifications and retailer prices

From $670 USD
As of October 31, 2026
Save $1,280 USD (66%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,272 USD at Cape Diamonds · As of October 29, 2026
View at Cape Diamonds

About this 1.16ct lab-grown round diamond

This 1.16ct lab-grown round sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG492122427 or 492122427. Listed at 13 retailers as of October 31, 2026, with a 191% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.16
Carat
I
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492122427
Dimensions6.87 × 6.85 × 4.05 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
6.87 mm6.85 mm1.16 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492122427
Side View
Table 58.5%Crown 32.9°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 59.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $3,272 USD|Low: $670 USD|High: $5,144 USD|Avg: $2,639 USD|+2.4%
Cape Diamonds
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
October 31, 2026
Retailer 8$670 USD
Retailer 11$1,534 USD
Retailer 15$1,718 USD
Retailer 12$1,780 USD
Retailer 14$1,780 USD
Retailer 3$1,950 USD
Retailer 5$1,958 USD
Retailer 4$2,388 USD
Retailer 13$2,802 USD
Retailer 2$2,988 USD
Retailer 10$3,147 USD
Cape Diamonds$3,272 USD
Retailer 6$3,566 USD
Retailer 7$3,983 USD
Retailer 9$5,090 USD

25 data points across 15 retailers

13 retailers$670 USD to $1,950 USD

B+
Cheapest Retailer
-
$670 USD
B
Retailer 2
-
$1,534 USD
View
B
Retailer 3
-
$1,669 USD
View
B
Retailer 4
-
$1,718 USD
View
Final sale: no returns
B
Retailer 5
-
$1,780 USD
View
Retailer 6
-
$1,780 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
$1,950 USD
View
Retailer 8
-
$2,802 USD
View
Price under review
Retailer 9
-
$2,988 USD
€2,846 EUR
View
Price under review
Retailer 10
-
$3,147 USD
View
Price under review
Most Expensive
Cape Diamonds
cert_492122427 · Oct 29
$3,272 USD
ZAR 52,853 ZAR
View
Price under review
10 more retailers have this diamond
Prices start from $670 USDSave up to $1,280 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+
1.16ct Round
$670 USD