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Oval|Lab Grown|IGI

1.56ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG852615905

Certificate IGI LG852615905

Diamond specifications and retailer prices

From $282 USD
HK$2,200 HKD
As of October 31, 2026
Save $578 USD (67%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $860 USD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 1.56ct lab-grown oval diamond

This 1.56ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG852615905 or 852615905. Listed at 5 retailers as of October 31, 2026, with prices from $282 to $860, a $578 spread on the same certified stone. Taylor and Hart lists it at $860. 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

1.56
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG852615905
Dimensions9.08 × 6.50 × 4.13 mm
L/W Ratio1.40
Top View
9.08 mm6.50 mm1.56 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG852615905
Side View
Table 61.0%CrownGirdle: MediumPavilionCulet: NoneDepth 63.5%

Caratlytics Score

How it works →
A
Excellent
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 31
Current: $282 USD|Low: $282 USD|High: $860 USD|Avg: $574 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Taylor and Hart
October 31, 2026
Retailer 1$282 USD
Retailer 4$435 USD
Retailer 2$461 USD
Retailer 3$831 USD
Taylor and Hart$860 USD

1 data point across 5 retailers

5 retailers$282 USD to $860 USD

Cheapest Retailer
-
$282 USD
HK$2,200 HKD
B+
Retailer 2
-
$435 USD
View
A
Retailer 3
-
$461 USD
£363 GBP
View
B+
Retailer 4
-
$831 USD
SGD 1,123 SGD
View
Most Expensive
B
Taylor and Hart
EXDL553 · Oct 31
$860 USD
View
4 more retailers have this diamond
Prices start from $282 USDSave up to $578 USD

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
1.56ct Oval
$282 USD