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Oval|Lab Grown|IGI

0.99ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG770686327

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG770686327

Diamond specifications and retailer prices

From $363 CAD
As of October 30, 2026
Save $453 CAD (56%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,956 CAD at MOH London · As of October 26, 2026
View at MOH London

About this 0.99ct lab-grown oval diamond

This 0.99ct lab-grown oval sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG770686327 or 770686327. Listed at 16 retailers as of October 30, 2026, with a 125% 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

0.99
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.4°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770686327
Dimensions7.87 × 5.50 × 3.41 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.87 mm5.50 mm0.99 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG770686327
Side View
Table 63.0%Crown 36.4°Girdle: MED-STKPavilion 40°Culet: NoneDepth 62.0%

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: Oct 30
Current: $1,956 CAD|Low: $181 CAD|High: $1,978 CAD|Avg: $540 CAD|-1.1%
MOH London
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
Retailer 16
Retailer 17
Retailer 18
November 4, 2026
Retailer 3$188 CAD
Retailer 7$211 CAD
Retailer 16$219 CAD
Retailer 18$233 CAD
Retailer 15$270 CAD
Retailer 5$309 CAD
Retailer 10$363 CAD
Retailer 13$392 CAD
Retailer 12$405 CAD
Retailer 6$440 CAD
Retailer 14$502 CAD
Retailer 8$580 CAD
Retailer 17$588 CAD
Retailer 2$619 CAD
Retailer 9$647 CAD
Retailer 4$753 CAD
Retailer 11$816 CAD
MOH London$1,956 CAD

33 data points across 18 retailers

16 retailers$363 CAD to $816 CAD

Retailer 1
-
$188 CAD
Price last confirmed 11 days ago
Retailer 2
-
$219 CAD
View
Price last confirmed 13 days ago
Retailer 3
-
$233 CAD
View
Price last confirmed 12 days ago
Retailer 4
-
$270 CAD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$363 CAD
View
Retailer 6
-
$392 CAD
View
Price last confirmed 10 days ago
A
Retailer 7
-
$405 CAD
View
Retailer 8
-
$440 CAD
View
Price last confirmed 12 days ago
Retailer 9
-
$502 CAD
View
Price last confirmed 11 days ago
Retailer 10
-
$580 CAD
View
Price last confirmed 11 days ago
B+
Retailer 11
-
$588 CAD
View
B+
Retailer 12
-
$619 CAD
View
Retailer 13
-
$647 CAD
View
Price last confirmed 8 days ago
Retailer 14
-
$753 CAD
View
Price last confirmed 13 days ago
B+
Retailer 15
-
$816 CAD
View
Most Expensive
MOH London
LG770686327 · Oct 26
$1,956 CAD
£1,095 GBP
View
Price last confirmed 10 days ago
15 more retailers have this diamond
Prices start from $363 CADSave up to $453 CAD

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
0.99ct Oval
$363 CAD