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Oval|Lab Grown|IGI

1.55ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG839682976

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG839682976

Diamond specifications and retailer prices

From $425 AUD
$298 USD
As of November 1, 2026
Save $1,722 AUD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,147 AUD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.55ct lab-grown oval diamond

This 1.55ct lab-grown oval sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG839682976 or 839682976. Listed at 13 retailers as of November 1, 2026, with prices from $425 to $2,147, a $1,722 spread on the same certified stone. Reve Diamonds lists it at $2,147. 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

1.55
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839682976
Dimensions9.58 × 6.58 × 4.01 mm
L/W Ratio1.46
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.58 mm6.58 mm1.55 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839682976
Side View
Table 60.0%Crown 33.3°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.9%

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: Nov 1
Current: $674 AUD|Low: $475 AUD|High: $2,147 AUD|Avg: $1,072 AUD|+0.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Reve Diamonds
November 2, 2026
Retailer 9$475 AUD
Retailer 5$527 AUD
Retailer 1$674 AUD
Retailer 8$739 AUD
Retailer 7$749 AUD
Retailer 2$862 AUD
Retailer 3$926 AUD
Retailer 6$1,618 AUD
Retailer 10$1,761 AUD
Retailer 4$2,109 AUD
Reve Diamonds$2,147 AUD

13 data points across 11 retailers

13 retailers$425 AUD to $2,147 AUD

A
Cheapest Retailer
-
$425 AUD
$298 USD
A
Retailer 2
-
$475 AUD
$333 USD
View
Final sale: no returns
Retailer 3
-
$527 AUD
$369 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$527 AUD
$369 USD
View
A
Retailer 5
-
$674 AUD
£372 GBP
View
A
Retailer 6
-
$739 AUD
$518 USD
View
A
Retailer 7
-
$749 AUD
$525 USD
View
A
Retailer 8
-
$862 AUD
$604 USD
View
A
Retailer 9
-
$926 AUD
£511 GBP
View
B
Retailer 10
-
$1,618 AUD
$1,134 USD
View
B
Retailer 11
-
$1,761 AUD
$1,234 USD
View
B
Retailer 12
-
$2,109 AUD
£1,164 GBP
View
Most Expensive
B
Reve Diamonds
D5DB6F194 · Nov 1
$2,147 AUD
$1,505 USD
View
12 more retailers have this diamond
Prices start from $425 AUDSave up to $1,722 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
1.55ct Oval
$425 AUD