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Round|Lab Grown|IGI

1.76ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG763668412

Shape and cutting style on the report: Round brilliant

Certificate IGI LG763668412

Diamond specifications and retailer prices

From $317 AUD
$223 USD
As of October 29, 2026
Save $1,291 AUD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,608 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.76ct lab-grown round diamond

This 1.76ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG763668412 or 763668412. Listed at 17 retailers as of October 29, 2026, with prices from $317 to $1,608, a $1,291 spread on the same certified stone. Brilliant Earth lists it at $1,608. 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

1.76
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.7°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG763668412
Dimensions7.79 × 7.74 × 4.70 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
7.79 mm7.74 mm1.76 ctE / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG763668412
Side View
Table 61.0%Crown 33.7°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,608 AUD|Low: $305 AUD|High: $1,627 AUD|Avg: $780 AUD
Brilliant Earth
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
October 30, 2026
Retailer 14$317 AUD
Retailer 15$356 AUD
Retailer 5$369 AUD
Retailer 8$394 AUD
Retailer 16$394 AUD
Retailer 11$655 AUD
Retailer 6$673 AUD
Retailer 2$682 AUD
Retailer 9$732 AUD
Retailer 4$769 AUD
Retailer 7$787 AUD
Retailer 13$1,068 AUD
Retailer 12$1,196 AUD
Retailer 3$1,267 AUD
Retailer 10$1,589 AUD
Brilliant Earth$1,608 AUD

34 data points across 16 retailers

17 retailers$317 AUD to $1,608 AUD

A
Cheapest Retailer
-
$317 AUD
$223 USD
A
Retailer 2
-
$356 AUD
$250 USD
View
Final sale: no returns
A
Retailer 3
-
$369 AUD
$259 USD
View
A
Retailer 4
-
$394 AUD
$277 USD
View
A
Retailer 5
-
$394 AUD
$277 USD
View
A
Retailer 6
-
$655 AUD
€438 EUR
View
B+
Retailer 7
-
$673 AUD
$473 USD
View
A
Retailer 8
-
$682 AUD
£377 GBP
View
B+
Retailer 9
-
$732 AUD
£405 GBP
View
B+
Retailer 10
-
$769 AUD
$540 USD
View
B+
Retailer 11
-
$787 AUD
$553 USD
View
B
Retailer 12
-
$1,068 AUD
$750 USD
View
Retailer 13
-
$1,177 AUD
$827 USD
View
Price last confirmed 45 days ago
B+
Retailer 14
-
$1,196 AUD
$840 USD
View
B
Retailer 15
-
$1,267 AUD
$890 USD
View
B
Retailer 16
-
$1,589 AUD
£879 GBP
View
Most Expensive
B
Brilliant Earth
19891518A · Oct 29
$1,608 AUD
$1,130 USD
View
16 more retailers have this diamond
Prices start from $317 AUDSave up to $1,291 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
1.76ct Round
$317 AUD