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Oval|Lab Grown|IGI

1.00ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG514264255

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG514264255

Diamond specifications and retailer prices

From $560 USD
As of October 31, 2026
Save $1,312 USD (70%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,060 USD at NZ Jewellers · As of October 31, 2026
View at NZ Jewellers

About this 1ct lab-grown oval diamond

This 1ct lab-grown oval 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 LG514264255 or 514264255. Listed at 12 retailers as of October 31, 2026, with a 234% 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

1.00
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG514264255
Dimensions7.89 × 5.87 × 3.54 mm
L/W Ratio1.34
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
7.89 mm5.87 mm1.00 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG514264255
Side View
Table 62.5%Crown 32.7°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.3%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: $1,170 USD|Low: $560 USD|High: $3,124 USD|Avg: $1,160 USD|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 3$560 USD
Retailer 7$632 USD
Retailer 10$707 USD
Retailer 2$733 USD
Retailer 8$733 USD
Retailer 4$910 USD
Retailer 1$1,170 USD
Retailer 9$1,197 USD
Retailer 6$1,872 USD
Retailer 5$3,091 USD

41 data points across 10 retailers

12 retailers$560 USD to $1,872 USD

B+
Cheapest Retailer
-
$560 USD
B+
Retailer 2
-
$632 USD
View
B+
Retailer 3
-
$687 USD
View
B+
Retailer 4
-
$707 USD
View
Final sale: no returns
B+
Retailer 5
-
$733 USD
View
Retailer 6
-
$733 USD
View
Price last confirmed 16 days ago
B
Retailer 7
-
$910 USD
View
B
Retailer 8
-
$1,170 USD
£921 GBP
View
B
Retailer 9
-
$1,197 USD
View
Retailer 10
-
$1,872 USD
View
Most Expensive
NZ Jewellers
99ddc6d7-697b-4979-8a01-1b63bc1dccda · Oct 31
$2,060 USD
View
Price under review
10 more retailers have this diamond
Prices start from $560 USDSave up to $1,312 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+
1.00ct Oval
$560 USD