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Oval|Lab Grown|IGI

1.51ct D SI1 Oval Lab Grown Diamond

VG • D/SI1 • IGI LG845615106

Shape and cutting style on the report: Oval modified brilliant

Certificate IGI LG845615106

Diamond specifications and retailer prices

From $372 AUD
$261 USD
As of October 31, 2026
Save $1,536 AUD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,908 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.51ct lab-grown oval diamond

This 1.51ct 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 LG845615106 or 845615106. Listed at 12 retailers as of October 30, 2026, with prices from $372 to $1,908, a $1,536 spread on the same certified stone. Brilliant Earth lists it at $1,908. 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

1.51
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle30.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845615106
Dimensions8.74 × 5.92 × 3.75 mm
L/W Ratio1.48
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.74 mm5.92 mm1.51 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845615106
Side View
Table 65.0%Crown 36.1°Girdle: MED-THKPavilion 30.9°Culet: NoneDepth 63.3%

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 31
Current: $1,908 AUD|Low: $372 AUD|High: $1,908 AUD|Avg: $943 AUD|+2.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 6$372 AUD
Retailer 11$423 AUD
Retailer 3$443 AUD
Retailer 2$649 AUD
Retailer 10$676 AUD
Retailer 9$713 AUD
Retailer 7$739 AUD
Retailer 5$1,276 AUD
Retailer 8$1,280 AUD
Retailer 4$1,549 AUD
Retailer 12$1,811 AUD
Brilliant Earth$1,908 AUD

14 data points across 12 retailers

12 retailers$372 AUD to $1,908 AUD

A
Cheapest Retailer
-
$372 AUD
$261 USD
A
Retailer 2
-
$423 AUD
$297 USD
View
Final sale: no returns
A
Retailer 3
-
$443 AUD
£245 GBP
View
B+
Retailer 4
-
$649 AUD
€434 EUR
View
B+
Retailer 5
-
$676 AUD
$475 USD
View
B+
Retailer 6
-
$713 AUD
$501 USD
View
B+
Retailer 7
-
$739 AUD
£409 GBP
View
B
Retailer 8
-
$1,276 AUD
$896 USD
View
B
Retailer 9
-
$1,280 AUD
$899 USD
View
B
Retailer 10
-
$1,549 AUD
£857 GBP
View
B
Retailer 11
-
$1,811 AUD
$1,272 USD
View
Most Expensive
B
Brilliant Earth
22346932A · Oct 30
$1,908 AUD
$1,340 USD
View
11 more retailers have this diamond
Prices start from $372 AUDSave up to $1,536 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
1.51ct Oval
$372 AUD