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Oval|Lab Grown|IGI

1.55ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG788629648

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG788629648

Diamond specifications and retailer prices

From $473 AUD
$332 USD
As of October 29, 2026
Save $4,126 AUD (90%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $5,709 AUD at Rare Carat · As of October 21, 2026
View at Rare Carat

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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG788629648 or 788629648. Listed at 24 retailers as of October 29, 2026, with a 873% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788629648
Dimensions9.12 × 6.71 × 4.02 mm
L/W Ratio1.36
Girdle conditionFaceted
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
9.12 mm6.71 mm1.55 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788629648
Side View
Table 62.0%Crown 35.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 59.9%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $5,709 AUD|Low: $473 AUD|High: $7,759 AUD|Avg: $1,851 AUD|-0.4%
Rare Carat
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
Retailer 17
Retailer 18
Retailer 19
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Retailer 21
Retailer 22
October 31, 2026
Retailer 6$473 AUD
Retailer 9$528 AUD
Retailer 21$548 AUD
Retailer 15$587 AUD
Retailer 19$587 AUD
Retailer 18$804 AUD
Retailer 4$948 AUD
Retailer 3$954 AUD
Retailer 17$1,008 AUD
Retailer 2$1,010 AUD
Retailer 16$1,050 AUD
Retailer 7$1,520 AUD
Retailer 5$1,720 AUD
Retailer 14$1,885 AUD
Retailer 10$1,947 AUD
Retailer 11$2,004 AUD
Retailer 22$2,007 AUD
Retailer 12$2,181 AUD
Retailer 8$2,278 AUD
Retailer 20$2,354 AUD
Retailer 13$4,598 AUD
Rare Carat$5,709 AUD

25 data points across 22 retailers

24 retailers$473 AUD to $4,598 AUD

A+
Cheapest Retailer
-
$473 AUD
$332 USD
A
Retailer 2
-
$528 AUD
$371 USD
View
Final sale: no returns
A
Retailer 3
-
$548 AUD
$385 USD
View
A
Retailer 4
-
$587 AUD
$412 USD
View
A
Retailer 5
-
$587 AUD
$412 USD
View
A
Retailer 6
-
$804 AUD
$565 USD
View
A
Retailer 7
-
$948 AUD
$666 USD
View
A
Retailer 8
-
$954 AUD
$670 USD
View
A
Retailer 9
-
$1,008 AUD
ZAR 11,435 ZAR
View
A
Retailer 10
-
$1,010 AUD
€676 EUR
View
A
Retailer 11
-
$1,050 AUD
£581 GBP
View
B+
Retailer 12
-
$1,520 AUD
$1,068 USD
View
Retailer 13
-
$1,535 AUD
$1,078 USD
View
Price last confirmed 26 days ago
B+
Retailer 14
-
$1,720 AUD
$1,208 USD
View
B+
Retailer 15
-
$1,885 AUD
$1,324 USD
View
B+
Retailer 16
-
$1,947 AUD
$1,368 USD
View
B+
Retailer 17
-
$2,004 AUD
SGD 1,902 SGD
View
B+
Retailer 18
-
$2,007 AUD
$1,410 USD
View
B+
Retailer 19
-
$2,047 AUD
$1,438 USD
View
B+
Retailer 20
-
$2,181 AUD
$1,532 USD
View
B+
Retailer 21
-
$2,278 AUD
£1,260 GBP
View
B+
Retailer 22
-
$2,354 AUD
£1,302 GBP
View
B
Retailer 23
-
$4,598 AUD
$3,230 USD
View
Most Expensive
Rare Carat
PE-201206 · Oct 21
$5,709 AUD
$4,010 USD
View
Price last confirmed 10 days ago
23 more retailers have this diamond
Prices start from $473 AUDSave up to $4,126 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
$473 AUD