Oval|Lab Grown|IGI

3.53ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG678516222

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG678516222

Diamond specifications and retailer prices

From $2,800 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: $2,800 USD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 3.53ct lab-grown oval diamond

This 3.53ct lab-grown oval sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG678516222 or 678516222. Listed at a single retailer as of October 31, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

3.53
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678516222
Dimensions12.31 × 8.59 × 5.33 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.31 mm8.59 mm3.53 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678516222
Side View
Table 62.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $2,800 USD|Low: $670 USD|High: $5,530 USD|Avg: $2,007 USD|-35.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 4, 2026
Retailer 5$680 USD
Retailer 7$817 USD
Retailer 8$976 USD
Retailer 9$1,027 USD
Retailer 6$1,379 USD
Retailer 4$1,560 USD
Retailer 2$1,589 USD
Brilliant Earth$2,800 USD
Retailer 3$3,830 USD

45 data points across 9 retailers

1 retailer

B
Brilliant Earth
13131112B · Oct 31
$2,800 USD
View

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.

B
3.53ct Oval
$2,800 USD