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Oval|Lab Grown|IGI

1.54ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG497145338

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG497145338

Diamond specifications and retailer prices

From €245 EUR
$274 USD
As of October 30, 2026
Save €820 EUR (77%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €1,065 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.54ct lab-grown oval diamond

This 1.54ct 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 top-tier cut grade and certified by IGI LG497145338 or 497145338. Listed at 24 retailers as of October 30, 2026, with prices from €245 to €1,065, a €820 spread on the same certified stone. Brilliant Earth lists it at €1,065. 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

1.54
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497145338
Dimensions9.07 × 6.53 × 4.10 mm
L/W Ratio1.39
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
9.07 mm6.53 mm1.54 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG497145338
Side View
Table 60.5%Crown 36.7°Girdle: THN-STKPavilion 40.4°Culet: NoneDepth 62.8%

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 30
Current: €1,065 EUR|Low: €169 EUR|High: €1,101 EUR|Avg: €575 EUR|-3.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 12€245 EUR
Retailer 3€260 EUR
Retailer 10€371 EUR
Retailer 7€441 EUR
Retailer 5€467 EUR
Retailer 13€489 EUR
Retailer 2€498 EUR
Retailer 8€540 EUR
Retailer 4€576 EUR
Retailer 11€837 EUR
Retailer 9€849 EUR
Retailer 6€1,059 EUR
Brilliant Earth€1,065 EUR

43 data points across 13 retailers

24 retailers€245 EUR to €1,065 EUR

Retailer 1
-
€212 EUR
$237 USD
Price last confirmed 33 days ago
A
Retailer 2
-
€245 EUR
$274 USD
View
Final sale: no returns
Retailer 3
-
€246 EUR
$275 USD
View
Price last confirmed 18 days ago
Retailer 4
-
€246 EUR
$275 USD
View
Price last confirmed 37 days ago
Retailer 5
-
€260 EUR
$290 USD
View
Price last confirmed 32 days ago
A
Retailer 6
-
€263 EUR
$294 USD
View
Retailer 7
-
€263 EUR
$294 USD
View
Price last confirmed 22 days ago
Retailer 8
-
€263 EUR
$294 USD
View
Price last confirmed 30 days ago
A
Retailer 9
-
€309 EUR
HK$2,700 HKD
View
B+
Retailer 10
-
€371 EUR
$415 USD
View
A
Retailer 11
-
€441 EUR
View
A
Retailer 12
-
€467 EUR
$522 USD
View
B+
Retailer 13
-
€489 EUR
$546 USD
View
B+
Retailer 14
-
€498 EUR
£438 GBP
View
B+
Retailer 15
-
€540 EUR
A$928 AUD
View
B+
Retailer 16
-
€576 EUR
$644 USD
View
Retailer 17
-
€837 EUR
$935 USD
View
Price last confirmed 13 days ago
Retailer 18
-
€846 EUR
$945 USD
View
Price last confirmed 22 days ago
Retailer 19
-
€846 EUR
$945 USD
View
Price last confirmed 32 days ago
B
Retailer 20
-
€849 EUR
$948 USD
View
B
Retailer 21
-
€890 EUR
SGD 1,344 SGD
View
B
Retailer 22
-
€892 EUR
$997 USD
View
B
Retailer 23
-
€1,059 EUR
£932 GBP
View
Most Expensive
B
Brilliant Earth
5063644A · Oct 31
€1,065 EUR
$1,190 USD
View
23 more retailers have this diamond
Prices start from €245 EURSave up to €820 EUR

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
1.54ct Oval
€245 EUR