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Oval|Lab Grown|IGI

1.67ct G IF Oval Lab Grown Diamond

VG • G/IF • IGI LG749509311

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG749509311

Diamond specifications and retailer prices

From $4,278 AUD
$3,005 USD
As of November 1, 2026
Save $4,946 AUD (54%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $12,835 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.67ct lab-grown oval diamond

This 1.67ct lab-grown oval sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG749509311 or 749509311. Listed at 19 retailers as of October 31, 2026, with a 116% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.67
Carat
G
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749509311
Dimensions9.90 × 6.64 × 4.03 mm
L/W Ratio1.49
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 Faint Blue
Top View
9.90 mm6.64 mm1.67 ctG / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749509311
Side View
Table 60.0%Crown 34.5°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 60.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 1
Current: $12,835 AUD|Low: $3,943 AUD|High: $21,197 AUD|Avg: $8,391 AUD|-0.4%
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
November 1, 2026
Retailer 2$4,278 AUD
Retailer 14$4,679 AUD
Retailer 13$5,091 AUD
Retailer 3$5,297 AUD
Retailer 11$5,428 AUD
Retailer 5$5,652 AUD
Retailer 7$5,737 AUD
Retailer 9$6,773 AUD
Retailer 12$7,487 AUD
Retailer 6$9,199 AUD
Retailer 4$9,224 AUD
Retailer 10$11,013 AUD
MOH London$12,835 AUD
Retailer 8$15,071 AUD
Retailer 15$21,131 AUD

38 data points across 15 retailers

19 retailers$4,278 AUD to $9,224 AUD

Cheapest Retailer
-
$4,278 AUD
$3,005 USD
B
Retailer 2
-
$4,590 AUD
$3,224 USD
View
B
Retailer 3
-
$4,679 AUD
$3,287 USD
View
B
Retailer 4
-
$5,091 AUD
$3,576 USD
View
B
Retailer 5
-
$5,297 AUD
$3,721 USD
View
B
Retailer 6
-
$5,428 AUD
$3,813 USD
View
B
Retailer 7
-
$5,652 AUD
$3,970 USD
View
B
Retailer 8
-
$5,737 AUD
$4,030 USD
View
B
Retailer 9
-
$6,080 AUD
CA$5,932 CAD
View
B
Retailer 10
-
$6,773 AUD
£3,746 GBP
View
B
Retailer 11
-
$7,487 AUD
$5,259 USD
View
B
Retailer 12
-
$7,730 AUD
$5,430 USD
View
B
Retailer 13
-
$9,199 AUD
£5,088 GBP
View
B
Retailer 14
-
$9,224 AUD
€6,171 EUR
View
Retailer 15
-
$11,013 AUD
ZAR 124,972 ZAR
View
Price under review
Most Expensive
MOH London
LG749509311 · Nov 1
$12,835 AUD
£7,099 GBP
View
Price under review
15 more retailers have this diamond
Prices start from $4,278 AUDSave up to $4,946 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.

B
1.67ct Oval
$4,278 AUD