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Oval|Lab Grown|IGI

1.56ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG696578945

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG696578945

Diamond specifications and retailer prices

From $198 USD
As of October 29, 2026
Save $595 USD (75%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $793 USD at Friendly Diamonds · As of October 31, 2026
View at Friendly Diamonds

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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG696578945 or 696578945. Listed at 11 retailers as of October 29, 2026, with prices from $198 to $793, a $595 spread on the same certified stone. Friendly Diamonds lists it at $793. 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
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG696578945
Dimensions9.83 × 6.53 × 3.96 mm
L/W Ratio1.51
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.83 mm6.53 mm1.56 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG696578945
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.6%

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 29
Current: $793 USD|Low: $198 USD|High: $1,530 USD|Avg: $627 USD
Friendly Diamonds
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
October 31, 2026
Retailer 9$198 USD
Retailer 3$230 USD
Retailer 10$246 USD
Retailer 2$274 USD
Retailer 13$282 USD
Retailer 14$428 USD
Retailer 8$450 USD
Retailer 4$485 USD
Retailer 11$505 USD
Retailer 12$519 USD
Retailer 15$790 USD
Friendly Diamonds$793 USD
Retailer 5$1,117 USD
Retailer 6$1,157 USD
Retailer 7$1,530 USD

5 data points across 15 retailers

11 retailers$198 USD to $793 USD

A
Cheapest Retailer
-
$198 USD
A
Retailer 2
-
$230 USD
View
A
Retailer 3
-
$246 USD
View
A
Retailer 4
-
$274 USD
£216 GBP
View
A
Retailer 5
-
$282 USD
HK$2,200 HKD
View
B+
Retailer 6
-
$428 USD
View
A
Retailer 7
-
$450 USD
£354 GBP
View
A
Retailer 8
-
$505 USD
View
A
Retailer 9
-
$519 USD
View
B
Retailer 10
-
$790 USD
View
Most Expensive
B+
Friendly Diamonds
6554904 · Oct 31
$793 USD
View
10 more retailers have this diamond
Prices start from $198 USDSave up to $595 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
$198 USD