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Oval|Lab Grown|IGI

1.74ct D SI1 Oval Lab Grown Diamond

VG • D/SI1 • IGI LG510193309

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG510193309

Diamond specifications and retailer prices

From $325 AUD
$228 USD
As of October 29, 2026
Save $1,418 AUD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,743 AUD at MOH London · As of October 26, 2026
View at MOH London

About this 1.74ct lab-grown oval diamond

This 1.74ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG510193309 or 510193309. Listed at 15 retailers as of October 26, 2026, with prices from $325 to $1,743, a $1,418 spread on the same certified stone. MOH London lists it at $1,743. 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

1.74
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG510193309
Dimensions9.53 × 6.80 × 4.31 mm
L/W Ratio1.40
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
9.53 mm6.80 mm1.74 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG510193309
Side View
Table 60.0%Crown 35.3°Girdle: MED-THKPavilion 41°Culet: NoneDepth 63.4%

Caratlytics Score

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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: $1,743 AUD|Low: $279 AUD|High: $1,761 AUD|Avg: $1,013 AUD|-0.9%
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
October 30, 2026
Retailer 3$325 AUD
Retailer 13$363 AUD
Retailer 12$377 AUD
Retailer 7$403 AUD
Retailer 9$541 AUD
Retailer 2$750 AUD
Retailer 8$774 AUD
Retailer 4$779 AUD
Retailer 11$904 AUD
Retailer 10$1,294 AUD
Retailer 14$1,369 AUD
Retailer 6$1,401 AUD
Retailer 5$1,623 AUD
MOH London$1,743 AUD

43 data points across 14 retailers

15 retailers$325 AUD to $1,743 AUD

A
Cheapest Retailer
-
$325 AUD
$228 USD
A
Retailer 2
-
$363 AUD
$255 USD
View
Final sale: no returns
A
Retailer 3
-
$377 AUD
$265 USD
View
A
Retailer 4
-
$403 AUD
$283 USD
View
A
Retailer 5
-
$434 AUD
$305 USD
View
B+
Retailer 6
-
$541 AUD
$380 USD
View
A
Retailer 7
-
$750 AUD
£415 GBP
View
B+
Retailer 8
-
$774 AUD
$544 USD
View
Retailer 9
-
$779 AUD
€521 EUR
View
Price last confirmed 7 days ago
B+
Retailer 10
-
$904 AUD
$635 USD
View
B
Retailer 11
-
$1,294 AUD
$909 USD
View
B
Retailer 12
-
$1,369 AUD
$961 USD
View
B
Retailer 13
-
$1,401 AUD
$984 USD
View
Retailer 14
-
$1,623 AUD
$1,140 USD
View
Price last confirmed 12 days ago
Most Expensive
B
MOH London
LG510193309 · Oct 26
$1,743 AUD
£964 GBP
View
14 more retailers have this diamond
Prices start from $325 AUDSave up to $1,418 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
1.74ct Oval
$325 AUD