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Oval|Lab Grown|IGI

2.54ct E SI1 Oval Lab Grown Diamond

EX • E/SI1 • IGI LG685508552

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG685508552

Diamond specifications and retailer prices

From $651 NZD
$367 USD
As of October 25, 2026
Save $4,033 NZD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,684 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.54ct lab-grown oval diamond

This 2.54ct lab-grown oval sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG685508552 or 685508552. Listed at 17 retailers as of October 25, 2026, with prices from $651 to $4,684, a $4,033 spread on the same certified stone. Brilliant Earth lists it at $4,684. 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

2.54
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685508552
Dimensions10.98 × 7.73 × 4.84 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.98 mm7.73 mm2.54 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685508552
Side View
Table 61.0%Crown 36.1°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.6%

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 25
Current: $4,684 NZD|Low: $525 NZD|High: $5,234 NZD|Avg: $1,576 NZD|-10.5%
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
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 6$525 NZD
Retailer 4$609 NZD
Retailer 7$642 NZD
Retailer 11$651 NZD
Retailer 14$819 NZD
Retailer 15$1,056 NZD
Retailer 16$1,068 NZD
Retailer 2$1,118 NZD
Retailer 9$1,154 NZD
Retailer 5$1,318 NZD
Retailer 8$1,428 NZD
Retailer 12$2,000 NZD
Retailer 3$2,092 NZD
Retailer 10$2,623 NZD
Retailer 13$3,123 NZD
Brilliant Earth$4,684 NZD

36 data points across 16 retailers

17 retailers$651 NZD to $4,684 NZD

Retailer 1
-
$525 NZD
$296 USD
Price last confirmed 37 days ago
Retailer 2
-
$609 NZD
$343 USD
View
Price last confirmed 35 days ago
Retailer 3
-
$642 NZD
$362 USD
View
Price last confirmed 33 days ago
Retailer 4
-
$651 NZD
$367 USD
View
Price last confirmed 19 days ago
A
Retailer 5
-
$651 NZD
$367 USD
View
Retailer 6
-
$819 NZD
£364 GBP
View
Price last confirmed 14 days ago
B+
Retailer 7
-
$1,056 NZD
$595 USD
View
B+
Retailer 8
-
$1,068 NZD
$602 USD
View
A
Retailer 9
-
$1,118 NZD
€600 EUR
View
A
Retailer 10
-
$1,154 NZD
£512 GBP
View
A
Retailer 11
-
$1,318 NZD
$743 USD
View
B+
Retailer 12
-
$1,428 NZD
$805 USD
View
B+
Retailer 13
-
$2,000 NZD
$1,127 USD
View
Retailer 14
-
$2,092 NZD
$1,179 USD
View
Price last confirmed 33 days ago
B
Retailer 15
-
$2,623 NZD
£1,164 GBP
View
B
Retailer 16
-
$3,123 NZD
$1,760 USD
View
Most Expensive
B
Brilliant Earth
13264555A · Oct 29
$4,684 NZD
$2,640 USD
View
16 more retailers have this diamond
Prices start from $651 NZDSave up to $4,033 NZD

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
2.54ct Oval
$651 NZD