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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 $191 AUD
$134 USD
As of October 26, 2026
Save $1,789 AUD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,979 AUD 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 17 retailers as of October 26, 2026, with prices from $191 to $1,979, a $1,789 spread on the same certified stone. MOH London lists it at $1,979. 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
Colour
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 26
Current: $1,979 AUD|Low: $184 AUD|High: $2,001 AUD|Avg: $548 AUD|-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
October 27, 2026
Retailer 16$191 AUD
Retailer 6$214 AUD
Retailer 13$222 AUD
Retailer 15$236 AUD
Retailer 12$273 AUD
Retailer 4$314 AUD
Retailer 10$367 AUD
Retailer 2$398 AUD
Retailer 18$410 AUD
Retailer 5$446 AUD
Retailer 11$509 AUD
Retailer 8$586 AUD
Retailer 14$595 AUD
Retailer 17$633 AUD
Retailer 9$655 AUD
Retailer 3$762 AUD
Retailer 7$826 AUD
MOH London$1,979 AUD

31 data points across 18 retailers

17 retailers$191 AUD to $1,979 AUD

A
Cheapest Retailer
-
$191 AUD
$134 USD
A
Retailer 2
-
$214 AUD
$150 USD
View
Final sale: no returns
A
Retailer 3
-
$222 AUD
$156 USD
View
A
Retailer 4
-
$236 AUD
$166 USD
View
A
Retailer 5
-
$273 AUD
HK$1,500 HKD
View
A
Retailer 6
-
$314 AUD
£174 GBP
View
Price last confirmed 12 days ago
A
Retailer 7
-
$367 AUD
$258 USD
View
A
Retailer 8
-
$398 AUD
£220 GBP
View
B+
Retailer 9
-
$446 AUD
$313 USD
View
A
Retailer 10
-
$509 AUD
£281 GBP
View
A
Retailer 11
-
$586 AUD
$412 USD
View
A
Retailer 12
-
$595 AUD
$418 USD
View
B+
Retailer 13
-
$633 AUD
$445 USD
View
B+
Retailer 14
-
$655 AUD
SGD 622 SGD
View
B+
Retailer 15
-
$762 AUD
$535 USD
View
B+
Retailer 16
-
$826 AUD
$580 USD
View
Most Expensive
B
MOH London
LG770686327 · Oct 26
$1,979 AUD
£1,095 GBP
View
16 more retailers have this diamond
Prices start from $191 AUDSave up to $1,789 AUD

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
$191 AUD