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Round|Lab Grown|IGI

0.99ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG704591607

Shape and cutting style on the report: Round brilliant

Certificate IGI LG704591607

Diamond specifications and retailer prices

From $794 AUD
As of October 29, 2026
3 retailers carry this diamond
Most expensive: $794 AUD at GemTrove
View at GemTrove

About this 0.99ct lab-grown round diamond

This 0.99ct lab-grown round 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 LG704591607 or 704591607. Listed at 3 retailers as of October 29, 2026. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG704591607
Dimensions6.40 × 6.46 × 3.86 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.40 mm6.46 mm0.99 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG704591607
Side View
Table 60.0%Crown 33°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 59.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $794 AUD|Low: $175 AUD|High: $1,529 AUD|Avg: $673 AUD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 19, 2026
Retailer 5$259 AUD
Retailer 9$448 AUD
Retailer 7$475 AUD
Retailer 10$483 AUD
Retailer 2$516 AUD
Retailer 4$543 AUD
Retailer 8$615 AUD
Retailer 6$678 AUD
Retailer 3$754 AUD
GemTrove$794 AUD
Retailer 11$1,000 AUD
Retailer 12$1,529 AUD

14 data points across 12 retailers

3 retailers

Retailer 1
-
$543 AUD
$381 USD
Price last confirmed 51 days ago
Retailer 2
-
$678 AUD
$476 USD
View
Price last confirmed 38 days ago
Most Expensive
B
GemTrove
GT-L-01069960-98 · Oct 29
$794 AUD
View
2 more retailers have this diamond

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
0.99ct Round
$794 AUD